JVC AM/FM stereo receiver model JR-S401. From 1978 to 1982. Rated at 85 RMS watts per channel into 8 ohms. Features, two tape in/outputs, two phono inputs, one aux input, high and subsonic filters, sea rec, on/off, mono, on/off, loudness on/off, FM mute on/off, sea graphic equalizer, volume and balance sliders, both tuning and signal meters and also both right and left channel power watt meters.