Pioneer TSD12D4

Subwoofer Sound Pressure Level (Sensitivity)78dB (+- 1.5dB) Frequency Range20 Hz to 4.7 kHz Continuous Power Handling (RMS)600 Watts Maximum Peak Power Handling2000 Watts Nominal Impedance4 ohms Dual Voice Coil (DVC) Diameter12” Cone MaterialAramid Fiber Interlaced Injection Molded Polypropylene (IMPP) Center Cap MaterialAcrylonitrile Butadiene Styrene (ABS) Surround MaterialButyl Rubber Basket MaterialStamped Steel Magnet MaterialFerrite Magnet Weight74.1 oz Mounting Depth6.2”