Fosi Audio V3 Mono Mini Power Amplifier

A debut Class D audio amplifier with PFFB technology to significantly improve sound purity and system efficiency, offering a flexible solution to your home audio system.

Continuation of Co-Creation

Engineered for Audiophiles - Optimal Choice for Home Audio Systems

In 2023, following the launch of the V3 stereo amplifier, we received numerous valuable suggestions and feedback from our global audio lovers.

We listen intently, record diligently, and develop with dedication, ultimately striving to transform your suggestions and ideas into reality—the V3 mono.

• Input: RCA, XLR, ¼" TRS; Output: Passive Speaker (supports banana plug or bare wire connection)
• SINAD: XLR--101dB; RCA--93dB; SNR: ≥123dB
• Rated Power Output: 48V/5A 240W@4Ω; 32V/5A 100W@4Ω
  
 

Post-Filter Feedback Technology Integrated

Significantly reduces distortion, enhances linearity and frequency response to get superior sound.







Rated Power 240W

Crafts an immersive sound experience, satisfying your craving for superior musical quality.






Accurate Imaging with Zero Crosstalk

Enhances stereo depth and soundstage accuracy for a purer audio experience






Easily Replaceable DIP8 Dual Discrete Op-amps

Meeting your pursuit of a personalized audio experience.









XLR Balanced & RCA Inputs













Advanced Cooling Design

long-term efficient operation of the amp, prevents overheating.









With Minimalist Design

Effortlessly integrates into various settings like home theater, study room, desktop, and studios.






Automatic Signal Sensing

Enters standby after 10 minutes of no signal input, effectively reducing power consumption.
















NICHICON Caps, Japanese

Ensure superior sound clarity, longevity, and stable electrical performance, enhancing the fidelity of audio reproduction






WIMA Caps, German

Provide exceptional sound quality and signal stability, greatly enhancing the audio experience.






Sumida Inductor, Japanese

Offers superior signal purity and noise reduction, elevating the amplifier's sound performance.