Fully tested,  functionally complete Pioneer SA-620 stereo integrated amplifier. 45 watts per channel.  Has a phono input for turntable, tuner and auxiliary input, plus 2 tape inputs that give the unit much flexibility 45 watts per channel into 8 ohm speakers. 2-pair speaker selector, loudness, sub sonic filter, Gas LED display shows amplifier power level A very solid amplifier from the days when they still used linear power supplies (these days, power supplies are all switching-type, like the kind they use in computers- less reliable)