Boss OHC62CS 6.5" Die Cast Frame Component Set Speakers The diecast aluminum frames will make a high end statement in your system. The metallic electroplate injection cones provide durability and superior sound quality. POWER HANDLING, PEAK 600 Watts; MAGNET STRUCTURE, 30 OZ IMPEDANCE, 4 OHM; FREQUENCY RESPONSE, 65Hz-22kHz; SPL 1 WATT/1 METER, 94 dB CONE MATERIAL, ELECTROPLATE INJECTION VOICE COIL, 1-Inch ALUMINUM; TWEETER, 1-Inch SILK DOME