The Fosi Audio V3 Mono is a power amplifier designed for audiophiles seeking high-quality sound in a compact size. Unlike traditional stereo amplifiers that power two speakers, the V3 Mono is a monoblock amplifier, meaning it delivers power to a single speaker. This makes it ideal for subwoofer setups or powering a single high-fidelity speaker in a minimalist audio system.
Monoblock design: Delivers power to a single speaker, ideal for subwoofers or minimalist setups.
XLR Balanced Input
RCA Input with 25dB and 31db gain selection
Texas Instruments TPA3255 amplifier chip: Known for clear audio reproduction and efficiency.
Variety of input options: Compatible with most audio source devices through RCA, XLR, and TRS jacks.
Innovative heat dissipation design: Ensures the amplifier stays cool even during extended use.
Impressive power output: Delivers powerful sound in a compact size.
Auto standby mode after 10 minuts
Product details Fosi Audio V3 Mono Power Amplifier
Fosi Audio V3 Mono Power Amplifier
The V3 Mono boasts an impressive power output and features the Texas Instruments TPA3255 amplifier chip, known for its efficiency and clear audio reproduction. It also boasts a variety of input options including RCA, XLR, and TRS jacks, making it compatible with most audio source devices. Additionally, the innovative heat dissipation design ensures the amplifier stays cool even during extended use.
With its combination of power, clarity, and compact design, the Fosi Audio V3 Mono is a compelling option for audio enthusiasts looking to add punch and clarity to their sound system.
PFFB Post-Filter Feedback Technology
Significantly reduces distortion, enhances linearity and frequency response, and improves sound purity and system efficiency. Load Dependence Defeating, overcomming the 'pain point' of Class-D Amps. Reduces output filter impact, boosts frequency response for balances, natural tones, ensuring true reproduction.
VIDEO Power output with various PSPU's
Power supply
Load Impedance
Rated Power (1kHz, THD 1%)
Max Power (1kHz. THD 10%)
4Ω
100 Watt
130 Watt
32V/5A
6Ω
65 Watt
80 Watt
8Ω
55 Watt
65 Watt
4Ω
240 Watt
300 Watt
48V/5A
6Ω
160 Watt
200 Watt
8Ω
120 Watt
150 Watt