The Aiwa XC-550 is a compact disc player manufactured by Aiwa Corporation. It was released in the late 1980s and early 1990s. It features a built-in CD transport mechanism, digital-to-analog converter (DAC), and analog audio outputs. The player supports playing audio CDs and often has various playback modes like repeat, shuffle, and program. It may also include a headphone jack for private listening. The exact specifications and features may vary depending on the specific model.