Headphone Amplifiers

YJ A1 Headphone Amplifier YJ-006

Basic parameters: Size:185*155*65mm Input voltage:AC110V or AC220V avaialbe Applicable to the headphone impedance: 32 ohm -600 ohm Frequency Response: 20HZ-20KHZ This amp using Original BD139 BD140 This is a assembled and tested amp. package include: finished A1 headphone amp X 1