Audiopipe, 12" Double Stack High Power Subwoofer 12" Double Stack High Power Subwoofer, 2 X 4 Ohm 1600 Watts Max

  Specifications: 1600 Watts Power (PMPO) 800 Watts Power (RMS) Frequency Response: 22 - 900Hz Sensitivity: 88dB 2.5" 4-Layer Dual Voice Coil BASV Air Cushion Foam Surround Composite Fiberglass Cone Deep Bumped T-Yoke features oversived pipe shape Powdered Black Paint Aluminum Basket "Easy Connect" Terminal Allows For Convenient Parallel Or Series Wiring  Mounting Depth: 7-3/8" Impedance: 2 x 4 Ohms 150 Oz Magnet