HV-10-RA1 Headphone Amplifier Board PCB
PCB size: 100X72X1.6MM
works voltage: DC18V-DC24V
The classic circuit RA1, Excerpts use power adapter (18-24V) obtained by IC differential positive and negative power supply to JRC4556AD; also can at decoupling electrolytic capacitors lead use two 9V battery;
Standard version is 1 time magnification, suitable 8-32ohm high sensitivity headphones. if your headphones is high impedance ( above 90DB). Please contact us to change to 4 times magnification parts.