Subwoofer Amplifier

BT30A Bluetooth 4.2 Stereo Audio Amplifier 2.1 Channel Receiver Class D Mini Hi-Fi Integrated Digital Amp with Bass and Treble Control 50Watt2 + 100Watt1 for Home Passive Speakers and Subwoofer

TP-02 TDA7498E Subwoofer Amplifier Receiver Mini Hi-Fi Class D Professional Integrated Amp for Sub Bass Shakers 220W x 1 + Power Supply

TB20A TPA3116D2 Stereo Amplifier 2.1 Channel Class D Audio Amp with Subwoofer Volume Control 2x50W 1x100W Sub Output Super Bass Power Receiver, Treble Bass Independent Adjustment + Power Supply

BT30C Bluetooth 4.2 HiFi Stereo 200W 2.1 Channel Subwoofer Power Amplifier Audio Amp Treble Bass Control Home Speaker Car Audio with Power Supply Fosi Audio

TAS5613 Bluetooth 4.0 300W (150W+75W×2) High Power Class D Digital Amplifier; 2.1 Channel Subwoofer Hi-Fi Audio Amp (with Power Supply)

M02 Subwoofer Amplifier Mini Mono Stereo Audio Amp Full-Frequency and Sub Bass Switchable Amplifier Single One Channel Mono Home Theater Power Amplifier Fosi Audio

TP-01 Subwoofer Amplifier Receiver 100Watt Mini Hi-Fi Digital Class D Integrated Stereo Audio Amp for Sub Bass + Power Supply