This is a package deal for 2 Brand New Skar Audio SDR-10 D2 Dual 2-ohm subwoofers. The Skar Audio SDR-10 D2 10-inch subwoofer was engineered to dish out reliable, hard hitting, and low spectrum sound. Featuring a high flux ferrite motor, This woofer will provide extreme power handling for extended periods of time. The SDR series will quickly become a customer favorite, as it's perfect for people just entering the world of car audio all the way up to seasoned pros. Furthermore, the SDR-10 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. The SDR series has a max power rating of 1, 200 watts and a RMS power rating of 600 watts. Dual 2-ohm voice coil configuration, sensitivity (SPL): 82 dB, Frequency Response: 30 - 300 Hz, mounting depth: 6.08", FS: 39 Hz, qts: 0.58. Mix: 13.5mm one-way. This sale includes two subwoofers packaged together as a bundle.