Pass Zen Single-End Class A Headphone Amplifier Kit - 5W DC 24V HiFi MOSFET DIY

About This Product

For the serious audio DIY enthusiast, this Pass Zen headphone amplifier kit is absolutely fantastic! This is a single-end Class A design that delivers that warm, detailed sound that audiophiles love. The board operates on DC 24V-28V power and measures 118x95mm, with a quiescent current of 300mA that's adjustable to your preference. They use military-grade 718 copper resistance and include an ELNA 10000uF filter capacitor with CRC filter circuitry for clean power. The amplifier features new, original IRF610 FET transistors that give you that gorgeous, musical sound signature - we're talking rich highs that aren't harsh, mellow midranges, and deep, powerful bass that really makes music come alive. The noise ratio is incredibly high too - you won't hear any background noise even with sensitive headphones. It can drive headphones from 32-300 ohms with excellent performance, and it can even push 8 ohm speakers as a 3W small power amplifier that sounds better than many IC-based amps. This is a full DIY kit with all components included, but fair warning - it's for professionals who know their way around soldering and electronics assembly. The PCB color might vary, but the quality is consistently excellent. If you're into building your own audio gear and want that classic Class A sound that makes you not want to stop listening, this kit delivers incredible performance for the price. The finished product has this organic, engaging quality to the music that's hard to find in commercial amplifiers. Definitely a rewarding project for any audio DIYer!