Audio power ics national semiconductor lm386m 1 low voltage audio power amplifier 325mw output power 8r load impedance 4v to 12v supply voltage 0 to 70c 8 soic case the lm386 is a power amplifier designed for use in low voltage consumer applications am fm radio amplifiers portable tape player amplifiers intercoms tv sound systems line drivers ultrasonic drivers small servo drivers power converters national semiconductor lm386m 1 low voltage power amplifier