Mono Amplifier (Pre Built) with Speaker
MP3 mono audio amplifier kit with teaching resources. Suitable for KS3. This mono amplifier kit uses an LM386 audio amplifier IC which can output 1.25W of power. The kit is supplied with a pre-built jack cable and a PP3 battery clip, and can run off any voltage from 4 to 12 Volts (Absolute Maximum 15V). Requires a PP3 battery (250-439).