HV-10 RA1 Headphone Amplifier Board/kit/ bare PCB JRC4556AD DC18V-24V

Details：

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 version.

PCB Size:  100X72X1.6MM

Works voltage: DC18V-DC24V

Package List：

1 x HV-10 Headphone Amplifier Board/kit/ bare PCB （According to your choice）