Fosi Audio
Fosi Audio V3 Audiophile Speaker Amp
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The internet's favorite Class D desktop stereo amplifier. Features the Texas Instruments TPA3255 amp chip and swap-able op-amps (DIP8 sockets) for sound signature customization.
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Product Overview
The internet's favorite Class D desktop stereo amplifier. Features the Texas Instruments TPA3255 amp chip and swap-able op-amps (DIP8 sockets) for sound signature customization. Extremely compact, minimalist, and delivers clean audiophile power to push passive bookshelf speakers with zero noise floor. Designed with top and bottom vents to ensure optimal heat dissipation.
Key Features
- Amplifier Chip: Texas Instruments TPA3255
- Max Power Output: 300W x 2 @ 4Ω (with 48V power supply)
- THD: < 0.003%
- Input: RCA Stereo
- Power Adapter: Universal 100V-240V, Output 32V (Canadian Plug)
Technical Specifications
| Chip | TPA3255 |
| Power Output | 300W x 2 @ 4Ω (48V) |
| Input | RCA |
| THD | <0.003% |
| Speaker | Passive 2-8Ω |
Pros
- Excellent sound quality for the price
- Great budget fidelity
- Robust build quality
Cons
- Requires adequate source output power
- Standard accessories
Price & Availability Disclaimer: Catalog source last checked on June 9, 2026. Confirm the exact model and specifications with the manufacturer. Retailer prices and stock levels can change. The price, availability, shipping terms, taxes, returns, and warranty terms shown by the external retailer at the time of purchase will govern the sale.