Memphis Audio 15" Subwoofer Dual 4 Ohm Mojo Series MJP1544 Memphis designed the MOJO Pro Series to give you deep, warm low-end response at power levels well beyond the capabilities of most subs. With a rigid paper cone and die-cast aluminum basket, the MJP1544 15" sub handles up to 750 watts RMS to give you sound that astounds. Memphis' Direct Vent Voice Coil Cooling (DVCC) design and a cross-drilled front plate give the MJP1544 superior cooling when the sub's rocking, and its dual voice coil design lets you adapt it to a variety of systems. With the punch to handle today's need for big bass and a price that's easy to handle, the MOJO Pro Series subs are made to boost your bottom end and your bottom line. If your music needs some roots, take it on a ride to Memphis. Features 15" subwoofer with dual 4-ohm voice coils Rigid paper cone with double-stitched foam surround Vented die-cast aluminum basket Designed for high SPL performance Frequency response: 29-150 Hz Power handling: 750 watts RMS (1500 watts peak) Sensitivity: 85.68 dB Mounting depth: 7.88" Cutout diameter: 13.819" Sealed box volume: 2.6 cubic feet Ported box volume: 4.4 cubic feet