cerwin-vega cvhf-a21s 21 active cvhf subwoofer
1200w amplifier power 21 carbon-fiber reinforced front-firing woofer freq resp 35 hz 135 hz 3 db freq range 32 hz 135 hz -10 db max spl 135 db patented stroker technology improves cooling amp reliability high-power amplifier with adjustable crossovers rca amp xlr inputs master slave output for daisy chaining cast aluminum grill acts as heatsink by reducing power compression 18mm mdf enclosure with pvc covering black-ash woodgrain finish each