Audio power ics st tda2822d dual low voltage power amplifier stereo speaker channels stereo headphone channels 300mw output power 32r load impedance 18v to 15v supply voltage 40 to 150c 8 soic case supply voltage down to 18v low crossover distortion low quiescent current bridge or stereo configuration it is intended for use as dual audio power amplifier in portable cassette players radios and cd players tda2822d stereo audio amplifier so