KICKER 08S15L74 SOLO-BARIC½ L7 15 SUBWOOFER 08S15L74. 2000W MAX; 1000W RMS; 15÷ TITANIUM DEPOSIT IMPREGNATED CONE WOOFER WITH ROLLED OUTER EDGE; FREQ RESP: 18 HZ- 100 HZ; SENSITIVITY: 89 DB; IMP: 4_; DUAL 4_ VOICE COILS; SANTOPRENE RUBBER SURROUND; FULL COVERAGE BACK BRACING; POLY-COTTON SEMI-PROGRESSIVE SPIDER; HEAT-REDUCING T-CUT TOP PLATE; SOLID POLE PIECE; CAST-ALUMINUM BASKET; SPRING-LOADED TERMINALS