Stereo Headphone Amplifier Kit

A small amplifier circuit that is used for amplifying signals from various noise sources i.e. radio, video, computer etc. and sending out through earphones for clearer sound.

Technical specifications:
- Power supply : 3VDC.
- Consumption : 60mA max.
- Output power : 1+1W.max. stereo
- Adjust sound level with trimmer potentiometer.
- S/N ratio : 70dB (A weighted)
- Sensitivity (1kHz/500mW) : 120mVeff
- PCB dimensions : 2.24 x 1.34 in