The category is for DIY product of headphone amplifier which base on transistor components, Include DIY kit and assembled PCB board,It is easy to build headphone amplifier with them,We also supply enclosure,Power transformer and other parts.
Great headphone amplifier based on Pass ZEN hi-fi headphone amplifier from NELSON, Has 5W output power to drive all headphones or speakers.
Hifi Class A headphone amplifier with selectable gain,The headphone amplifier is based on famous LEHMANN class headphone amplifier
Headphone Amplifier DIY Kit Ref Grado RA1 For Head-Fi,The circuit is composed with only few components,But the sound of the Grado RA1 is amazing.
The best Byerdynamic A1 headphone amplifier DIY kit,4 pairs output transistor,Low cost but high performance.
Assembled premium class A headphone amplifier refer to Audio-Technic HA5000 for Head-Fi,For headphones from 32Ohm to 600 Ohm.
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