Fosi Audio T20 Bluetooth Tube Amplifier
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Fosi Audio T20 Bluetooth Tube Amplifier
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
80W Toroidal Transformer
Custom pure copper toroidal transformer with up to 100W peak output ensures stable power delivery, even with three devices connected.
Nippon Chemi-Con Capacitors
Premium capacitors help minimize ripple and noise, with ripple as low as 0.1mV.
High-Reliability Rectifier
A GBU806 rectifier bridge rated at 600V/8A ensures fast, stable AC-to-DC power conversion.
4-Core Regulation
Powered by three LM1085IT and one ST78M05 linear regulators from Texas Instruments.
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