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This power amplifier circuit is a small amplifying circuit  suitable for sound signal amplifying.

Technical specifications:
- power supply : 9- 12VDC.
- consumption : 600mA. max. (8 Ωloudspeaker, 0.25W 12VDC, 3A. max.)
- adjust. level sound by trimmer potentiometer.
- S/ N ratio : 80dB (A weighted)
- frequency response : 20Hz to 20kHz (- 3dB)
- PCB dimensions : 2.22 x 1.89 inches.
- Recommend Housing for circuit board : FB03

Kit requires assemly by soldering