Here is a great way to get easy access to the Rockford PMX inputs that generally get hidden during install in a UTV. You can charge or play music easily with this dash mount adapter. Mounts either on dash or underneath with supplied bracket. 

UNIVERSAL USB/3.5mm AUXILIARY INTERFACE MOUNT

• Use with any Radio with Rear USB/RCA Inputs
• Dust-proof, Water Resistant Rubber Cover
• UV Resistant
• USB / RCA 3ft. Extension Cable
• 1.5" Through Hole Mount–Requires 1-1/8" (29mm) Cutout