A full-featured waterproof stereo receiver and iPod dock specifically designed for the marine environment. Built in Sirius Satellite Radio receiver. Features Aux in, fixed line-out, sub-out, USB input, wired remote cable X2, front/rear variable line-out, and SD card reader. Back and front sides are waterproof to IP66. Selectable EQ setup, IR input, and selectable powered sub-channel output. Face flips down for access to SD card and iPod dock. Gimbal mount option allows unit to mount from top or bottom, no covers or additional mounting boxes required. Unit can also be flush-mounted to any flat surface. Sun/dust cover for front face. Preset memory and last setting on power down; comes back in same mode when powered on. Output Power: 45W x 4 Channel. Cutout is 2-1/8" x 7" x 7-1/4". Face is 7-1/8" x 3-1/8".