If you've already got the Rockford Fosgate PMX 8BB "black box" receiver, pair it with the Rockford Fosgate PMX 8DH Full Function Wired Remote Display so you can gain visual control of your tunes. Featuring a full color 5 inch full color display, you can use this remote on your boat or other watercraft with confidence due to its IPX6 water resistant rating. Do note, this remote will only work with the PMX 8BB black box receiver. Take full visual control from wherever you happen to be with the Rockford Fosgate PMX 8DH Full Function Wired Remote Display.