A4 4-Channel Power Amplifier
4 × 200W into 8 Ohms of pure audio excellence engineered by YNhifi.
Four channels of precise power
The A4 delivers 200W per channel into 8 ohms with exceptional signal clarity and low-distortion audio reproduction across all four channels.
200W per channel
Delivers 4 × 200W into 8 ohms, providing ample power for demanding audio installations and multi-channel systems.
Low noise floor
Achieves excellent signal-to-noise ratio for clean, transparent audio without background hum or interference in quiet passages.
Continuous output current
Robust output stage sustains consistent current delivery under demanding loads, ensuring stable performance with any speaker impedance.
Precision engineering
Each A4 is handcrafted in our Dongguan facility with quality control at every stage, ensuring reliability and sonic performance.
Thermal stability
Advanced heat management keeps the amplifier operating at optimal temperature across extended listening sessions.
Balanced connectivity
XLR and RCA inputs allow flexible integration with professional audio gear and consumer equipment without signal degradation.
A4 4-Channel Power Amplifier Technical Details
The A4 delivers 4 × 200W into 8 Ohms with a frequency response of 10Hz to 20kHz, ensuring precise audio reproduction across the full spectrum. Input sensitivity of 1.4V RMS provides flexibility for various source components. Built with low noise design and superior damping factor for controlled, articulate performance in demanding audio systems.
A4 delivers precision audio power
Every metric reflects our commitment to clean amplification, stable output, and professional-grade reliability across demanding audio applications.
4x200W@8Ω 4x280W@4Ω
Power per channel
4 channels × 200W into 8 Ohms delivers the headroom needed for dynamic audio systems.
<0.005% (1kHZ)
THD + noise
Ultra-low distortion ensures pristine signal integrity across the entire frequency range.
>300@8Ω
Damping factor
High damping factor provides tight speaker control and accurate bass response reproduction.
105dB A-weighted
Signal-to-noise ratio
Exceptional noise floor reveals every detail without introducing audible hum or hiss.
Experience precision amplification. Contact YNhifi today.
Let our audio specialists help you integrate the A4 into your high-end system with expert guidance.