Fosi Audio V1.0G Mini Stereo Amplifier
- 2 channel Class D, 50W x 2
- TI TPA3116D2 amplifier chip
- 12 to 24 V supply range
- Power adapter + AC cord included
- Speaker protection circuit
- Aluminum chassis, 5 x 3 x 1 in
- 24-month warranty
Last refreshed Jun 20, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A tiny, efficient stereo amp that drives a pair of bookshelf speakers from a phone, PC or TV with low noise. It is a simple two channel amp, without Bluetooth or a tone control listed.
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ASIN: B071XQGYRJModel: V1.0GCategory: Stereo Amplifiers
Overview
Desktop audio fans and anyone reviving old passive speakers get a palm sized Fosi amplifier built on a Texas Instruments Class D chip. It runs cool, stays silent when idle and comes with its own power adapter.
Class D efficiency packs useful power into a tiny aluminum box that barely warms up. Inputs and features are basic, so wireless streaming needs a separate source.
Who it's for
Hobbyists and students building a small stereo on a budget of space. Home theater users needing surround should use a receiver.
Pros and cons
- Efficient, runs cool
- Silent at idle
- Power supply included
- Two year warranty
- No Bluetooth listed
- Two channels only
- Input types not listed
Performance notes
Power output depends on the supply voltage, so the included adapter sets how loud it can play. Switching frequency options avoid interference with AM radio. Efficient Class D design means little heat even during long listening.
Specifications
| Brand | Fosi Audio |
|---|---|
| Model | V1.0G |
| Dimensions & fit | |
| Item dimensions | 5 x 3 x 1 inches |
| Capacity & performance | |
| Output Power | 50 Watts x 2 |
| Maximum Output Power | 100 watts |
| Power & efficiency | |
| Maximum Supply Voltage | 24 Volts (bullets), 19 Volts (specs) |
| Minimum Supply Voltage | 12 Volts DC |
| Construction & materials | |
| Enclosure Material | Aluminum |
| Included components | |
| Included Components | Amplifier, power adapter, AC cord, user manual |
| Warranty & support | |
| Warranty Description | 24-month manufacturer |
| Other details | |
| Number of Channels | 2 |
| Specification Met | FCC |
| Amplifier chip | TI TPA3116D2 |
Frequently asked questions
How do I set up the Fosi Audio V1.0G?
Connect your passive speakers and source, then power it with the included power adapter and AC cord.
Does the Fosi V1.0G have Bluetooth?
No Bluetooth is listed.
What chip does the Fosi Audio V1.0G use?
The Texas Instruments TPA3116D2.
What warranty comes with the Fosi V1.0G?
A 24-month manufacturer warranty.