Engineered for the Ultimate Sound Experience.The INFR3000, is engineered to withstand sun, salt, UV, and intense thunderstorms. 4" LCD DisplayBlueTooth 5.0USB & AUX InputEngineered to master AM, FM and WB2 ohm stablePre-outs (L&R), add an amp or a subwoofer for additional performanceIPX7 (Face), IPX3 (Rear)4X55W peak @ 4 ?