Sony CDX-M30 Marine CD/CD-R/CD-RW Stereo Receiver

The Sony? CDX-M30 Marine CD/CD-R/CD-RW Stereo Receiver includes 52 watt x 4 output, front AUX In with cap, two-key illumination, direct sunlight viewable display, rear/sub selectable preout, Marine Commander ready, and a 9K/10K switchable tuner.