Cerwin Vega 18" Woofer - Genuine replacement part for CVA-118 subwoofer - 1400W / 4 OHM - SW18C / WOFP18304 Replacement part for Cerwin Vega CVA-118 subwoofer 1400W peak power handling capacity / 4 OHMs 18" Cast-frame high excursion woofer 3 Single Voice Coil / Vintage Red Surround / Woofer sealed in Cerwin Vega factory box Cerwin Vega Model Number: SW18C / WOFP18304