{"title":"Subwoofer amplifier","description":"\u003cp\u003e\u003cspan\u003eThe Amplifier: Boosts your Preamp\/Processor Signal to Match the Power of Passive Speakers. An amplifier takes the signal coming from each channel of a preamp or processor or sound source and boosts it so it can power loudspeakers. For most systems, you will need one amplifier channel for each speaker connected. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e💝 Worldwide Free Delivery, 24 Months Warranty\u003c\/p\u003e","products":[{"product_id":"tda7498e-subwoofer-amplifier-receiver-mini-hi-fi-class-d-professional-integrated-amp-for-sub-bass-shakers-220w-x-1-power-supply","title":"Fosi Audio TP-02 Subwoofer Amplifier","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAdopt Texas Instruments TDA7498E chip, NE5532 op-amp. No pop, no audible noise, dead silent when nothing is playing through it;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in low pass filter, 220W X 1(4 ohms, 20 Hz - 120Hz, 0.04% THD, 18db\/octacce) for subwoofer, Small simple compact design but practical and powerful;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdvanced circuitry design, built-in speakers protection circuit, solid aluminum chassis for long time use;\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe new version of TP02 has one more sub freq adjustment knob than the old version, and the others remain unchanged.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eQuick tips:\u003c\/p\u003e\n\u003cp\u003e1. Please plug the power cord into the amp THEN the wall, plug the audio cables into amp THEN switch on.\u003c\/p\u003e\n\u003cp\u003eSome customers may see some slight sparks flying when they plug the power supply into the amplifier, because they use it in wrong way, you need to connect the amp to the power supply first, then plug the power supply into the 110v AC outlet, don't worry about the sparks, because this is class d amplifier, the capacitors need to charge when the power in, it's normal and safe.\u003c\/p\u003e\n\u003ch4\u003e\n\u003cbr\u003e\u003cbr\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed; height: 290.313px;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"height: 19.5938px;\"\u003eSpecifications\u003c\/th\u003e\n\u003cth style=\"height: 19.5938px;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eTP-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eOutput Power\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e220W for Subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eTerminating Impedance\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e2Ω-8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eInput Mode\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eRCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 55.1875px;\"\u003e\n\u003ctd style=\"height: 55.1875px;\"\u003eOutput Mode\u003c\/td\u003e\n\u003ctd style=\"height: 55.1875px;\"\u003ePassive Subwoofer \/ \n\u003carticle class=\"4ever-article\" data-clipboard-cangjie='[\"root\",{\"copyFrom\":\"im-native\"},[\"p\",{},[\"span\",{\"data-type\":\"text\"},[\"span\",{\"data-type\":\"leaf\",\"color\":\"#171A1D\"},\"Powered Subwoofer \"]]]]'\u003e\n\u003cp\u003e\u003cspan\u003ePowered Subwoofer \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e20-200Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eTHD\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e≤ 0.04%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eSNR\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e≥ 98dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e≤ 280mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eDevice Dimension\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e5.12 x 3.54 x 1.58 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eDC Input Range\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e12-24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e24V 4.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\n\u003cbr\u003eWhat‘s in the box？\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFosi Audio TP-02 Amplifier\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Power Cord\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24V 4.5A Power Adapter\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser’s Manual\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\n\u003cimg style=\"width: 30px; height: 30px;\" alt=\"Download\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/7.jpg?v=1638263331\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/TP-02_User_Manual.pdf?v=1679586491\"\u003eTP-02 User Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: #316f81;\" class=\"a-list-item\"\u003e\u003cspan class=\"a-size-base a-color-secondary\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003eCompare with similar items:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"a-size-base a-color-secondary\"\u003e\u003ca title=\"TP-01 Subwoofer Amplifier Receiver 100W\" href=\"https:\/\/fosiaudioshop.com\/products\/tp-01-subwoofer-amplifier-receiver-100watt-mini-hi-fi-digital-class-d-integrated-stereo-audio-amp-for-sub-bass-power-supply?_pos=3\u0026amp;_sid=e8831e090\u0026amp;_ss=r\" target=\"_blank\"\u003eTP-01 Subwoofer Amplifier Receiver 100W\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"a-size-base a-color-secondary\"\u003e\u003ca title=\"TP-03 Subwoofer Amplifier\" href=\"https:\/\/fosiaudioshop.com\/products\/tp-03-subwoofer-amplifier-single-power-subwoofer-class-d-amp-220watt?_pos=1\u0026amp;_sid=e8831e090\u0026amp;_ss=r\" target=\"_blank\"\u003eTP-03 Subwoofer Amplifier\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":42457067323622,"sku":"TP-02+24V-new","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/products\/1_5cc0c9ad-0997-468c-91a2-af226ad43b1d.jpg?v=1751600198"},{"product_id":"subwoofer-amplifier-m03-300watts-mono-amp-full-frequency-and-sub-bass-switchable-amplifier","title":"Fosi Audio M03 Subwoofer Mono Amplifier","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e Hi-Fi Amp with Clean Sound Quality: Fosi Audio M03 subwoofer amp adopts the Instruments TPA3255D2 chip, High Efficient Power Output Up to 200Watt, providing 150 watts RMS into 4-ohm loads or 120watts to 8-ohm loads. Great amplifier to driver any bookshelf speaker or subwoofer;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSubwoofer amplifier and Full-Frequency Mono Amp: Switch to PBTL, it's a Full-Frequency Mono amp for driving passive speakers and powered subwoofer. Switch to SUB, it's a subwoofer amplifier for diving passive and powered subwoofers;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMini Compact but Powerful: Built-in low pass filter for 20-300Hz subwoofers with SUB frequency control, small simple compact design but practical and powerful;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHome Hi-Fi amplifier: Exclusively designed for the customers who pursue HiFi sound; MAX Power Output:200Watt. Note: The package comes with a 32V\/5A power supply, you need a more powerful power supply to get the MAX power output;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/a__01_a792a356-d711-4760-9c8f-799cd958f067.jpg?v=1637575230\" alt=\"Subwoofer Amplifier 200 Watt Mini Mono Audio Amp Full-Frequency and Sub Bass Switchable Amplifier One Channel Home Theater Single Power Subwoofer Amp Fosi Audio M03\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/a__06_31aca69d-90bf-46ba-9285-26e1eb12ee42.jpg?v=1637575245\" alt=\"Subwoofer Amplifier 200 Watt Mini Mono Audio Amp Full-Frequency and Sub Bass Switchable Amplifier One Channel Home Theater Single Power Subwoofer Amp Fosi Audio M03\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cul style=\"font-size: 1.4em;\" class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cbr\u003e\u003cbr\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecifications\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eM03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Power Output:\u003c\/td\u003e\n\u003ctd\u003eRMS 200watt at 4ohm, RMS 100watt at 8ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminating Impedance\u003c\/td\u003e\n\u003ctd\u003e4-8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd\u003e≤ 0.2mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Frequency Response Range\u003c\/td\u003e\n\u003ctd\u003e20Hz-20KHz(± 3db)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Frequency Range\u003c\/td\u003e\n\u003ctd\u003e20-200Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e≤0.03%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e≥ 106dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Range\u003c\/td\u003e\n\u003ctd\u003e24-48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e32V 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\n\u003cbr\u003eWhat‘s in the box？\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFosi Audio M03 Amplifier\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32V 5A Power Adaptor\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser’s Manual\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"celwidget aplus-module module-9 aplus-standard\" data-csa-c-id=\"us62hm-vaif5-x8dir0-x5kowz\"\u003e\n\u003cdiv aria-live=\"polite\" data-a-expander-name=\"aplus-module-expander\" data-a-expander-collapsed-height=\"700\" class=\"a-expander-collapsed-height a-row a-expander-container a-expander-partial-collapse-container\"\u003e\n\u003cdiv aria-expanded=\"false\" class=\"a-expander-content a-expander-partial-collapse-content\"\u003e\n\u003cdiv class=\"aplus-module-wrapper apm-fixed-width\"\u003e\n\u003cdiv class=\"apm-spacing apm-fixed-width\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-none\"\u003e\u003c\/ul\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/7.jpg?v=1638263331\" alt=\"Download\" style=\"width: 30px; height: 30px;\"\u003e\u003ca href=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/M03_User_Manual.pdf?v=1627885409\"\u003eM03 User Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3 style=\"display: flex; align-items: center; height: 20px;\"\u003eCompare with similar items\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/tda7498e-subwoofer-amplifier-receiver-mini-hi-fi-class-d-professional-integrated-amp-for-sub-bass-shakers-220w-x-1-power-supply?_pos=1\u0026amp;_sid=3103f9ebe\u0026amp;_ss=r\" title=\"Fosi Audio TP-02 TDA7498E Subwoofer Amplifier\" target=\"_blank\"\u003eFosi Audio TP-02 TDA7498E Subwoofer Amplifie 220watts\u003c\/a\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/fosi-audio-m01-bt-bluetooth-one-channel-mono-amplifier-for-home-speakers?_pos=3\u0026amp;_sid=365b3180f\u0026amp;_ss=r\" title=\"M01-BT Bluetooth One Channel Mono Amplifier\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/fosi-audio-m01-bt-bluetooth-one-channel-mono-amplifier-for-home-speakers?_pos=3\u0026amp;_sid=365b3180f\u0026amp;_ss=r\" title=\"M01-BT Bluetooth One Channel Mono Amplifier\" target=\"_blank\"\u003eFosi Audio M02 Subwoofer Amp 100W \u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/fosi-audio-m01-bt-bluetooth-one-channel-mono-amplifier-for-home-speakers?_pos=3\u0026amp;_sid=365b3180f\u0026amp;_ss=r\" title=\"M01-BT Bluetooth One Channel Mono Amplifier\" target=\"_blank\"\u003eFosi Audio M04 Amplifier Subwoofer Amp 100W\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"US","offer_id":46460625322214,"sku":"M03-US-32V-SH","price":89.99,"currency_code":"USD","in_stock":true},{"title":"OTHER","offer_id":46460625354982,"sku":"M03+32V","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/products\/M03300W_5760c9e0-9d89-477b-b129-e74466cf653c.jpg?v=1751600045"},{"product_id":"bt30d-bluetooth-5-0-2-1-channel-power-amplifier-with-bass-and-treble-control","title":"Fosi Audio BT30D Bluetooth 2.1 CH Power Amplifier","description":"\u003cul style=\"width: 95%; margin: 0 auto;\"\u003e\n\u003cli\u003e\n\u003cp\u003eThe Bluetooth Stereo Amplifier adopts performance 2pcs texas instrument TPA3116D2 amp chip, dual-channel max output power 50W x2 +100W to get clear audio sound, no pop, no audible noise, dead silent when nothing is playing through it;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpeakers full frequency output, By using the custom treble bass knob and adjustable 40-300Hz cutoff frequency for the subwoofer, you'll be able to get the best sound;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports wireless playback from Bluetooth devices, Bluetooth 5.0 wireless music streaming technology with external antenna make a transmission distance of more than 15m\/49ft;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFull metallic shell to ensure high quality and durable, advanced circuitry design, built-in speakers protection circuit to ensure Hi-Fi clear and clean sound; With unrivaled sound for the customers who pursue HiFi sound;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUpgraded DC power outlet for safe use without sparks, included high quality 24V\/4.5A power supply (The plug of the power adapter will match the country of your delivery address) enough to drive most passive speakers and powered\/passive subwoofer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"width: 80%;\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/a__01_dce4b1a5-746d-470b-8e2f-1bbcbd3ca4a5.jpg?v=1637570486\" alt=\"BT30D Bluetooth 5.0 2.1 Channel Power Amplifier with Bass and Treble Control\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"width: 80%;\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/a__02_db8c189d-f210-405f-af4d-8474362aaebd.jpg?v=1637570504\" alt=\"2.1 Channel Power Amplifier\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cimg style=\"width: 80%;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/B3A659_1.jpg?v=1680864634\" alt=\"Detailed description\"\u003e\u003c\/h3\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; max-width: 750px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecifications\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eBT30D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChippest\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaxpower Output\u003c\/td\u003e\n\u003ctd\u003e50W*2+100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e0.05%(@1W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e≥98dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd\u003e12-24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeakers Frequency Response\u003c\/td\u003e\n\u003ctd\u003e20Hz-20kHz(±3dB)m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Cutoff Frequency Range Adjustment\u003c\/td\u003e\n\u003ctd\u003e20-200Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e2-8 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Dimension\u003c\/td\u003e\n\u003ctd\u003eL118 x W132 x H35 mm\/4.72 x 5.2 x 1.38inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput mode\u003c\/td\u003e\n\u003ctd\u003eBluetooth\/RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput mode\u003c\/td\u003e\n\u003ctd\u003ePassive Speakers + Passive\/Active Subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0, up to 15m\/49ft wireless range without hindrance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless Range\u003c\/td\u003e\n\u003ctd\u003eUp to 15m\/49ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\n\u003cbr\u003eWhat‘s in the box？\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; max-width: 750px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFosi Audio BT30D Amplifier\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24V 4.5A Power Supply\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser’s Manual\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eTips: The plug of the power adapter will match the country of your delivery address.\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 10px;\"\u003e\n\u003cbr\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\n\u003cimg style=\"width: 30px; height: 30px;\" alt=\"Download\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/7.jpg?v=1638263331\"\u003e \u003ca style=\"color: #f48f00;\" href=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/BT30D_User_Manual.pdf?v=1627640046\"\u003eBT30D User Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4 style=\"display: flex; align-items: center; height: 20px;\"\u003eVideo\u003c\/h4\u003e\n\u003cp\u003e\u003cspan style=\"color: #316f81;\"\u003e\u003ciframe width=\"750\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/1gbSs2crQDo\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eCompare with similar items\u003c\/h4\u003e\n\u003cul style=\"width: 95%; margin: 0 auto;\"\u003e\n\u003cul style=\"width: 95%; margin: 0 auto;\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca title=\"Fosi Audio Bt30E 2.1 Channel Bluetooth Amplifier with U-disk and Remote Control\" href=\"https:\/\/fosiaudioshop.com\/products\/fosi-audio-2-1-channel-bluetooth-5-0-amplifier-bt30e-subwoofer-50w-x2-100w?_pos=1\u0026amp;_sid=7156bf828\u0026amp;_ss=r\" target=\"_blank\"\u003eFosi Audio BT30E 2.1 Channel Bluetooth Amplifier with Remote Control\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca title=\"Fosi Audio BT30A 2.1 channel stereo home audio amplifier 200watts\" href=\"https:\/\/fosiaudioshop.com\/products\/bluetooth-amp-bt30a?_pos=1\u0026amp;_sid=bc3956fe0\u0026amp;_ss=r\" target=\"_blank\"\u003eFosi Audio BT30A 2.1 Channel Bluetooth Amplifier 50watts x2 + 100watts\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca title=\"Fosi Audio BT30D PRO 2.1 Channel Bluetooth 5.0 Amplifier with SUB control\" href=\"https:\/\/fosiaudioshop.com\/products\/fosi-audio-bt30d-pro-bluetooth-5-0-2-1-channel-540w-power-amplifier\" target=\"_blank\"\u003eFosi Audio BT30D PRO 2.1 Channel Bluetooth Amplifier 120W x2 + 300W\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":39998228791479,"sku":"BT30D-B+24V","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/BT30D_6b086081-5d21-4e57-8090-f89712bf4f44.jpg?v=1751599973"},{"product_id":"fosi-audio-m01-bt-bluetooth-one-channel-mono-amplifier-for-home-speakers","title":"Fosi Audio M01-BT Bluetooth Subwoofer Mono Amp","description":"\u003cul\u003e\n\u003cli\u003eUpgraded Design: Add Bluetooth to a subwoofer amplifier. M01-BT support Bluetooth and RCA input can drive most home passive speakers, passive subwoofers, and powered subwoofers. (Note： M01-BT is not suitable for active speakers). Easy to build a simple sound system with M01-BT.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMini compact Class D Audio Amplifier. M01-BT SUB amp adopts ST Microelectronics TDA7498E high-performance chip, MAX power output up to 300Watts.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSwitch to PBTL(As a full frequency mono amp): You can use the banana plugs or bare wires to connect the passive subwoofer to the M01-BT, use the RCA cable to connect the powered subwoofer to the M01-BT.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSwitch to SUB(As a subwoofer amp): You can use the banana plugs or bare wires to connect the passive subwoofer to the M01-BT, use the RCA cable to connect the powered subwoofer to the M01-BT.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhat you Get: M01-BT amplifier x1, Bluetooth antenna x1, User Manual x1, 24V\/4.5A Power Adapter x1, AC Cord x1, 18-month worry-free warranty, and friendly customer service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cbr\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\" data-mce-style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\" data-mce-style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\" data-mce-style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecifications\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eM01-BT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMAX Power Output\u003c\/td\u003e\n\u003ctd\u003e300W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Power Output\u003c\/td\u003e\n\u003ctd\u003eRMS220W@4Ω, RMS 110W@8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminating Impedance\u003c\/td\u003e\n\u003ctd\u003e2-8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Mode\u003c\/td\u003e\n\u003ctd\u003eBluetooth + RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Mode\u003c\/td\u003e\n\u003ctd\u003ePassive Speaker + Powered Subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e20Hz - 20kHz (±3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Frequency Range\u003c\/td\u003e\n\u003ctd\u003e20-200Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e≤0.05%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e≥ 102dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd\u003e≤ 0.2mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChip Set\u003c\/td\u003e\n\u003ctd\u003eTDA7498E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Range\u003c\/td\u003e\n\u003ctd\u003e24-32V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24V 4.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\n\u003cbr\u003eWhat‘s in the box？\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; max-width: 800px; table-layout: fixed;\" data-mce-style=\"width: 100%; max-width: 800px; table-layout: fixed;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 50%;\" data-mce-style=\"width: 50%;\"\u003e \u003ccol style=\"width: 50%;\" data-mce-style=\"width: 50%;\"\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM01-BT Amplifier\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth Antenna\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32V 5A Power Adapter\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser’s Manual\u003c\/td\u003e\n\u003ctd\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\n\u003cimg style=\"width: 30px; height: 30px;\" alt=\"Download\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/7.jpg?v=1638263331\"\u003e \u003ca href=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/M01_0225.pdf?v=1638177867\"\u003eM01 User Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3 style=\"display: flex; align-items: center; height: 20px;\"\u003eCompare with similar items:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/subwoofer-amplifier-m02\" title=\"Fosi Audio M02 Subwoofer Amplifier 100W adopt TI TPA3116D2 Chip\" target=\"_blank\"\u003eM02 Subwoofer Amp 100W\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/subwoofer-amplifier-m03-300watts-mono-amp-full-frequency-and-sub-bass-switchable-amplifier\" title=\"Fosi Audio M03 Subwoofer Amplifier adopt TI TPA3255 Chip 300W\" target=\"_blank\"\u003eM03 Subwoofer Amplifier 200W\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca title=\"M04 Amplifier Subwoofer Amp 100W\" href=\"https:\/\/fosiaudioshop.com\/products\/fosi-audio-mono-amplifier-subwoofer-amp-100w-with-bass-power-amplifier-for-home-passive-speaker?_pos=1\u0026amp;_sid=365b3180f\u0026amp;_ss=r\" target=\"_blank\"\u003eM04 Amplifier Subwoofer Amp 100W\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":37690492911799,"sku":"M01-BT+32V","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/products\/1_5b0fc0a7-ff6a-4573-a373-c521a9e02b9c.jpg?v=1751600331"},{"product_id":"fosi-audio-mono-amplifier-subwoofer-amp-100w-with-bass-power-amplifier-for-home-passive-speaker","title":"Fosi Audio M04 Subwoofer Power Amplifier","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSmall but mighty! Fosi Audio M04 is a 100w mono-channel class D subwoofer amplifier, with a SUB\/PBTL switch you can select a subwoofer bass amplifier or full frequency mono amp, can be connected to an active\/passive subwoofer and passive speaker.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe power switch was integrated into volume control, we made it small but supply an in-wall or stand-alone subwoofer the power it needed so you can experience room-shaking low-frequency impact (bass) on movies and music soundtracks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/A__1_970x600_c7606a58-2cdf-4e5a-ac13-cc05d5f678b6.jpg?v=1637575270\" alt=\"Fosi Audio M04 Amplifier Subwoofer Amp 100W With Bass Power Amplifier For Home Passive Speaker\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/A__3_970x600_212ccacf-eb7c-4e2b-ad8f-2c28201eb2ba.jpg?v=1637575285\" alt=\"Fosi Audio M04 Amplifier Subwoofer Amp 100W With Bass Power Amplifier For Home Passive Speaker\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eInput Interface: RCA input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutput Interface: speaker’s output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTHD: ≤ 0.02% (1KHz, 1W)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutput: passive subwoofer\/speaker\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput Voltage Range: DC 12V - 24V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSNR: ≥ 102dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTerminating Impedance: 2Ω - 8Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMax Power Output: 100watt @3Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput Sensitivity: 600MV\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNet weight: 175g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions (H * W * D): 103 x 57 x 43MM (4.06 x 2.24 x 1.69’’) includes knobs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency Response Range: 20Hz-20KHz(±3db)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBass Frequency Range: 20Hz-200Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFosi Audio M04 Subwoofer\/Mono Amplifier x1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower Adaptor x1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAC cord x1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser Manual x1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/2251\/7913\/files\/7.jpg?v=1638263331\" alt=\"Download\" style=\"width: 30px; height: 30px;\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/M04_User_Manual.pdf?v=1714989126\"\u003eM04 User Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; height: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3 style=\"display: flex; align-items: center; height: 20px;\"\u003eCompare with similar items\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/tda7498e-subwoofer-amplifier-receiver-mini-hi-fi-class-d-professional-integrated-amp-for-sub-bass-shakers-220w-x-1-power-supply?_pos=1\u0026amp;_sid=d683ffe56\u0026amp;_ss=r\" title=\"fosi audio TP-02 tda7498e subwoofer amplifier 220watts\" target=\"_blank\"\u003eFosi Audio TP-02 TDA7498E Subwoofer Amplifier 220watts\u003c\/a\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca title=\"Fosi Audio M02 Subwoofer Amp 100W Mono Amplifier\" href=\"https:\/\/fosiaudioshop.com\/products\/subwoofer-amplifier-m02?_pos=1\u0026amp;_sid=492e8e562\u0026amp;_ss=r\" target=\"_blank\"\u003eFosi Audio M02 Subwoofer Amp 100W\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/subwoofer-amplifier-m03-300watts-mono-amp-full-frequency-and-sub-bass-switchable-amplifier?_pos=1\u0026amp;_sid=fa177a22d\u0026amp;_ss=r\" title=\"Fosi Audio M03 Subwoofer Amplifier 200watts\" target=\"_blank\"\u003eFosi Audio M03 Subwoofer Amplifier 200W\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"M04+19V","offer_id":39960092508343,"sku":"M04+19V","price":53.99,"currency_code":"USD","in_stock":true},{"title":"M04+24V","offer_id":39960092541111,"sku":"M04+24V","price":67.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/products\/1_29515999-3df4-4df4-a6a5-e78842ecc905.jpg?v=1751598477"}],"url":"https:\/\/fosiaudio.com\/collections\/subwoofer-amplifier\/subwoofer-amplifiers.oembed","provider":"Fosi Audio","version":"1.0","type":"link"}