Jbl Shock Wave 1000W12. 12" Die-cast Component Subwoofer 1000W RMS @ Dual 2Ω JBL Shock Wave subwoofers deliver knockout low end with incredible accuracy. The subwoofer uses a tough, injection-molded polypropylene cone with butyl rubber surround for standout precision and strength during cone excursion to get accurate, hard-hitting bass notes. The designed advanced air flow motor structure bond with die-cast aluminum basket with integrated spider venting feature keeps the subwoofer running cool for trouble-free performance. The subwoofer can handle up to 600 watts RMS and 1000 watts RMS respectively. The high temperature 4-layer copper dual 2-ohm voice coils allow you to wire the sub for 1-ohm impedance to draw maximum power from your amplifier, or for 4-ohm impedance if you’re designing a multi-subwoofer set up. The Shock Wave subwoofer works equally well in a sealed or ported enclosure, so you can choose the kind of bass you want for your system. Includes: Subwoofer: 12" Polypropylene Driver Power handling: 1000W RMS, 3000W peak Sensitivity (2.83V@1m@1ohm): 94dB Frequency response (-6dB): 20Hz – 250Hz Nominal impedance: dual 2 ohms Voice coil diameter: 2.58" (65.5mm) Mounting Depth: 6-1/2" (165.0mm) Cutout Hole: 10-13/16" (274.5mm)