The Sansui QRX-5001 and QRX-501 are part of Sansui's line of quadraphonic receivers, which offer an immersive audio experience by delivering sound through four channels. The QRX-5001, introduced in the mid-1970s, features a sleek design typical of that era, with a brushed aluminum front panel and illuminated knobs. It supports both stereo and quadraphonic formats, enabling users to enjoy a variety of music sources. The receiver boasts a power output of 50 watts per channel into 8 ohms, which is sufficient for most home listening environments. Additional features include multiple input options, a built-in AM/FM tuner, and compatibility with external audio sources. The QRX-501 is a variant that offers similar specifications but may have slight variations in features or design.

The Sansui QRX-5001 and QRX-501 are part of Sansui's line of quadraphonic receivers, which offer an immersive audio experience by delivering sound through four channels. The QRX-5001, introduced in the mid-1970s, features a sleek design typical of that era, with a brushed aluminum front panel and illuminated knobs. It supports both stereo and quadraphonic formats, enabling users to enjoy a variety of music sources. The receiver boasts a power output of 50 watts per channel into 8 ohms, which is sufficient for most home listening environments. Additional features include multiple input options, a built-in AM/FM tuner, and compatibility with external audio sources. The QRX-501 is a variant that offers similar specifications but may have slight variations in features or design.