4 SPEAKER UNIT!!!! LOUD!!! This unit has a MARINE BT deck, and KICKER 4 5.25" speakers. Includes Marine Cover!!! It has an AUX/3.5mm input, USB, BT and am/fm radio. Fits 2-seater RZR 570, 800, and 900 (excluding 2015 and up 900 or 1000). Mounts between rollbars in factory cage with included clamps! Boxes are made with Impact Resistant Polyethylene (Plastic)! Unit is filled with poly fill for best sound quality, and all mounting hardware is stainless!!! All mounting and wiring hardware included!! *****Attention***** There will be a 10% restocking fee on all stereos returned unless they are defective. There will be a 35% restocking fee on stereos returned that are installed. This means if you put any holes, dents, cut off the fuse holder, do not return all parts sent such as remotes or install kit there will be a 35% restocking fee. We highly suggest getting in contact with us if you are unsure if a product will fit, we are more than happy to help. Please note that we have an excellent customer service team and tech support to help with any issue we suggest calling before returning. Buyer pays return shipping as well.