Dayton Audio APA100 Class AB Stereo Amplifier 60 WPC 60 watts per channel RMS into 8 ohms, 75 watts per channel at 4 ohms 2-channel Class AB circuit design delivers precise, uncolored audio power Two stereo RCA line level inputs with convenient automatic source switching RCA stereo looping outputs to feed additional zone amplifier(s) A/B speaker selector switch simplifies connectivity