Optimized for small ported, sealed, & band-pass enclosures. In order to maintain an inventory of 100%, Brand New, A-Stock, untouched products, all sales are final. We ask that you please be sure you are ordering the correct product. The item "OPEN BOX SUNDOWN AUDIO SA-10 V. 2 D4 10 DUAL 4 OHM 1000W RMS SUBWOOFER" is in sale since Thursday, September 10, 2020.This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers". The seller is "woofersetc_outlet" and is located in Los Angeles, California. This item can be shipped to United States.