The SDR-12 Dual 2-ohm 12-inch car subwoofer features a 2.5 high temperature 4-layer high temperature copper voice coil that is attached to our Skar Audio signature red spider. The surround on the SDR series is a high roll foam surround which allows the woofer to produce riveting low end bass response.
Sensitivity (SPL): 84.7 dB, mix: 13.5mm -way, Fs: 32 Hz, frequency response: 22 Hz- 300 Hz, mounting depth: 7.62. 12-Inch Dual 2-ohm Car Subwoofer. High Roll Foam Surround and Competition Pressed Paper Cone.This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers". The seller is "il2014-shpu" and is located in this country: US. This item can be shipped to United States.