Sound Town 18” 1000W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinets (STLF-18500A) - Newegg.com
5Core 2 Pcs 10" inch Subwoofer Replacement DJ Speaker Car Sub Woofer 1000W PMPO on eBid United States | 217042499
10" 1000w RMS Subwoofer 1.5K Series by Tezla Audio - SSA STORE
Amazon.com: Pyle 10" Car Audio Speaker Subwoofer - 1000 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 4 Ohm, 50 oz Magnet, 2