JBL Stadium Subwoofers 122SSI Replacement Diaphragm 25 in / 133 mm

25 in / 133 mm F3 47

before final installation

A reviewer for one of Kenwood's previous "RV" receivers stated that his model had everything he needed

Kit includes 17 feet of 4 AWG power wire

the DMX4710S includes intuitive vehicle integration that lets you keep factory features that you'd otherwise lose when you install a new radio

JBL Stadium Subwoofers 122SSI Replacement Diaphragm 25 in / 133 mmJBL believes sound quality should never be compromised and the Stadium subwoofers make sure you dont have to compromise flexibility, either. Thats because these high performance subwoofers feature SSI (Selectable Smart Impedance), an exclusive impedance switch that lets you select the optimum impedance2 or 4 ohmsproviding multiple system configurations and flexibility. A special aero cooling design keeps the voice coil cool even at high output levels.