Sansui AM/FM 4 channel stereo receiver model QRX-6500. From 1973 - 1975. Rated at 32 watts per channel RMS X4 into 8 ohms. Features, both tuning and signal meters, 1 and 4 channel selector and modes, loudness on/off rear and front, front and rear bass and treble controls, balance and high low filters for both front and rear, two phono inputs, synthesizer decoder, FM muting on/off, separate bass and treble tone controls, front tape record and play back jack in/outputs and many more features, all the same features the QX-6500 has. Neat stereo receiver.