Fosi Audio T20X Bluetooth Tube Amplifier Headphone
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Fosi Audio T20X Bluetooth Tube Amplifier Headphone
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
We offer free worldwide shipping, except for certain regions such as Ukraine and Russia, where our services are currently unavailable.
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Customer Support
WhatsApp: +8613716612254
support@fosiaudio.com
Mon-Fri: 3:00 AM - 3:00 PM PST -
FAQ’s
If you have any questions, please refer here: FAQs
Product details
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2-in-1: Hifi Music Tube Bluetooth 5.0 Home Audio Receiver 2 Channel Amplifier and Headphone Amp. T20X can drive most home passive/desktop speakers and 3.5MM headphones. Achieve Hifi music quality.
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Bluetooth 5.0: Enjoy superior wireless audio experiences with Bluetooth 5.0 core. Faster transmission and more stable connection extended long range up to 50ft/15m. Wirelessly stream audio anywhere you want.
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Vacuum Tubes: T20X is equipped with JAN 5654W Vacuum Tubes to get more warm sound. Applicable vacuum tubes model: 6K4/6J1/6A2/6J4/GE5654/6AK5/66*In vacuum tubes, etc. You can replace the vacuum tubes to DIY your stereo system. Different tube with different sound.
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Product Parameters: MAX Power Output: 100W x2@4Ω, Terminating Impedance: 4-8Ω, THD: ≤0.05%, SNR: ≥ 105dB, Amplifier Chip: TPA3221, Frequency Range: 20Hz-20kHz(±1dB).
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What you Get: T20X amplifier x1, Bluetooth antenna x1, 5654W Vacuum tubes x2, User Manual x1, 24V/4.5A Power Adapter x1, AC Cord x1, 24-month worry-free warranty, and friendly customer service.
Specifications
| Specifications | Details |
|---|---|
| Model | T20X |
| Chip Set | TPA3221 |
| Output Power | 100W x2@4Ω |
| Terminating Impedance | 2Ω-8Ω |
| Input Mode | Bluetooth + RCA |
| Output Mode | Passive Speakers + Headphone |
| Frequency Range | 20Hz - 20kHz (±1 dB) |
| THD | ≤ 0.05% |
| SNR | ≥ 105dB |
| Bluetooth Transmission Distance | Up to 28 Ft(10m) |
| Bluetooth Name | Fosi Audio T20X |
| Device Dimension | 5.40 x 4.80 x 1.35 inches |
| Device Weight | 479.8g±10g |
| DC Input Range | 19-30V |
| Power Supply | 24V 4.5A |
What‘s in the box？
| Item | Quantity |
|---|---|
| Fosi Audio T20X Amplifier | x 1 |
| Bluetooth Antenna | x 1 |
| Vaccum Tubes | x 2 |
| 24V 4.5A Power Adapter | x 1 |
| User’s Manual | x 1 |
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FAQs
Please read our FAQs page to find out more.
How to: Choose the right banana plug?
- Closed Screw Type. All Fosi amplifiers use standard-sized speaker terminals (4mm pins).
- Easy to wire up and solidly connect to amplifier and passive speaker.
- If they do not fit, use a little force to tighten the plugs.
- Fosi Audio Banana Plugs (Copper, Silver/Gold Plated): http://bit.ly/40Djq0U, https://bit.ly/3MkPL8t
- Please watch tutorial videos: https://youtu.be/6pYhoqDlvNw / https://youtu.be/RGvBgGAwS9k
How to Diagnose Power Supply Failure?
- The following situations may cause this issue
- Case 1: The LED on the power supply does not light up; Case 2: Amp/Preamp does not turn on; Case 3: When plugged into the Amp, both light on the amp & power supply start blinking; Case 4: Amp/Preamp make noise; Case 5: Sound shuts off by itself
- Possible solution
- Check if the power supply is illuminated when plugged into AC by itself.
Plug power supply into a different socket.
Test the adapter with a meter.
Try a different power supply (within a range of DC input).
Test the included power supply on other electrical equipment.
Please watch the tutorial video by clicking on the link provided. https://youtu.be/yCjygS03zTE
What are the differences in power outputs using the 32V and 48V power supplies?
- Using a more powerful power supply can help prevent distortion.
- Enables amplifier to drive larger, more powerful, or higher-impedance speakers.
What is a GaN?
- The GaN supply has a power output of 240W.
- Offers overload and over-temperature protection.
- The 48V 5A GaN power supply is also available on Amazon.