





Fosi Audio T20 Bluetooth Tube Amplifier
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Fosi Audio T20 Bluetooth Tube Amplifier
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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
Description
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QCC3031 wireless Bluetooth 5.0 core support aptX and aptX-HD, Streaming range up to 39ft(12m), With Bluetooth and AUX selector, no pop when Bluetooth connecting;
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50W RMS X 2 power output(4 ohms, 20 Hz - 20 kHz, 0.04% THD), built-in speakers protection circuit, best for outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers, can use iPod, Phone, MP3 players, TV, Echo Dot, CD players, or Streaming Media players as input;
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Adopt 2 x 5725 tubes to get clear audio sound, tubes can be replaced by JAN 5654W, 6K4, 6J1, GE5654, 6AK5, 6ж1П, 6BC5, 403A/B, EF40, EF95 and so on, with a headphone output for 16-64ohm headphones;
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Small simple compact design but practical and powerful, Hi-Fi Bluetooth amplifier receiver exclusively designed for the customers who pursue HiFi sound;
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Power amp + Headphone amp, perfectly suited for your desktop or a smaller space in your home or office, digital amplifier is easy to connect to your audio system with no software to install or settings to change.


Specifications
| Specifications | Details |
|---|---|
| Model | T20 |
| Chip Set | TPA3116 |
| Output Power | 50W x 2 |
| Headphones Output | 16-64Ohm |
| Terminating Impedance | 2Ω-8Ω |
| Input Mode | Bluetooth + RCA |
| Output Mode | Passive Speakers + Headphone |
| Frequency Range | 20Hz - 20kHz (±1 dB) |
| THD | ≤ 0.04% |
| SNR | ≥ 99dB |
| Input Sensitivity | ≤ 280mV |
| Bluetooth Transmission Distance | Up to 39 Ft(12m) |
| Bluetooth Chip | QCC3031 |
| Bluetooth Version | Bluetooth 5.0 support aptX and aptX-HD |
| Device Dimension | 5.06 x 3.86 x 1.35 inches |
| DC Input Range | 12-24V |
| Power Supply | 24V 4.5A |
What‘s in the box?
| Item | Quantity |
|---|---|
| Fosi Audio T20 Amplifier | x 1 |
| Bluetooth Antenna | x 1 |
| 5725 Vaccum Tube | x 2 |
| 24V 4.5A Power Adapter | x 1 |
| User’s Manual | x 1 |
Video
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Specifications
Power Input
AC: 115V / 230V
Note:
115V setting supports 100–120V input
230V setting supports 220–240V input
Power Output
DC 1: 12V / 15V (Rated Power: 20W)
DC 2: 12V / 5V (Rated Power: 15W)
USB: 5V / 1A (Rated Power: 5W)
Operating Temperature
-20 ~ 40°C (-4°F ~ 104°F)
Temperature Rise Test
Temperature rise of 25°C (77°F) at full load
What‘s in the box?
- Fosi Audio PSU20*1
- 1.2m (47.2 in) DC-DC Power Cable*1
- 0.3m (11.8 in) DC-DC Power Cable*1
- User Manual*1
- AC Power Cord*1














