The Aiwa XC-004 is a compact disc player introduced by Aiwa in the 1990s. It features a 1-bit DAC, a 3-beam laser pickup, and an anti-skip mechanism. It has a headphone jack and line output, and can play both regular CDs and CD-R/RWs. The XC-004 is a portable player powered by 2 AA batteries, and also has an AC adapter jack. It has a simple design with minimal buttons and a small display screen for track information.