12" (30cm) DUAL-X Subwoofer, TX Series 400W RMS 750W MAX Impendancy: 2 Ohm Frequeny Resonse: 28Hz - 500Hz 160oz. Dualex Magnet Sensitivity: 86dB @ 1w/1m Inverted Titan-Membrane Rubber Rigging Steel Basket Nickel-plated PUSH plugs Chrome-plated back pannel 2", (5.1cm) High Temperature Plunge, 4 layers Installation Depth: 6.5" (165mm)