The Marantz CDR-500 is a CD recorder designed primarily for professional use. It features capabilities for both recording and playing CDs, with an emphasis on high-quality audio reproduction and reliability. The CDR-500 supports various CD formats, including CD-R and CD-RW, allowing users to create audio CDs that can be played on standard CD players. It usually comes with features such as digital and analog inputs, pitch control, and the ability to finalize CDs for playback on other devices. Its design is geared towards ease of use in professional environments such as studios and live sound setups.