Kenwood AM/FM stereo receiver model KR-4010. This stereo was sold in 1979 - 1981. Rated at 35 watts per channel, twin meters for tuning and signal strength. Inputs for phono, aux and two tape monitors, also has FM Muting, loudness and separate bass and treble controls. Two pairs of speakers can be connected. Only a few models to have the huge volume knob.