This Sansui R-550 vintage stereo receiver is a great addition to any audiophile's collection. With support for FM and AM modes, Dolby and Dolby Digital surround sound formats, and multiple audio inputs including phono/turntable, stereo L/R RCA, and pre out, this receiver is perfect for experiencing high-quality sound. It also features a black color and stereo L/R RCA and raw cable speaker jack audio outputs, making it easy to connect to your favorite speakers. The Sansui R-550 is a two-channel receiver with a model number of R-550 and brand name of Sansui. It is a great choice for anyone looking for a high-quality vintage receiver that is both stylish and functional.