Peavey SP218BX Dual 18inch Passive Subwoofer

Peavey SP218BX Dual 18" Passive Subwoofer Engineered for optimal sound reproduction with proven reliability continuing a 30-year legacy, Peavey SP enclosures feature patented asymmetrical Quadratic Throat Wave guide technology that helps deliver pristine, precise sound; Black Widow loudspeakers with Kevlar-impregnated cones, 4" ribbon-wire voice coils and exclusive field-replaceable baskets; the patented Radial near Planar Phase Correction System; and titanium compression drivers with Ferro fluid cooling Peavey SP218BX Features: Two 18 inch Pro Rider® Black Widow® woofers with Kevlar® carbon fiber cones and field-replaceable baskets, flat-wound 4 inch voice coils, and cast-frame baskets Frequency response: 51 Hz - 300 Hz -10 dB point: 36 Hz Sensitivity: 99 dB (1W/1m) Power handling: 2400 watts program, 4800 watts peak 4 ohms HammerHead® durable covering material New grille.