The Sansui QRX-2000 is a quadraphonic receiver that was introduced in the 1970s. It is designed to handle multiple audio channels, providing an immersive listening experience. The QRX-2000 features a power output of 50 watts per channel across four channels. It includes a variety of inputs and outputs for connecting to multiple audio devices, such as turntables, cassette decks, and CD players. Additionally, the receiver is equipped with a comprehensive AM/FM tuner with presets for convenient access to favorite radio stations. The front panel showcases a distinctive analog dial and well-placed controls for adjusting volume, balance, and tone settings. The QRX-2000 also includes features such as a built-in equalizer, multiple speaker outputs, and tone control adjustments.