STLF-15200A | 15" Cast Aluminum Frame High-Power Raw Woofer Speaker, 8 – Sound Town
Dropship 10 Inch Car Audio Speaker Subwoofer 1000 Watt High Power Bass Surround Sound Stereo Sub Woofer System DJ Sub Woofer Loudspeaker Wide Range Foam Edge Cone 4 Ohms 120 Mm 5
Boss Audio 8-inch Dual Voice Coil 4-ohm 1000-watt Car Subwoofer (4 Pack) P80dvc for sale online | eBay
8" RI Audio Subwoofer 1000W Peak Power Dual 4 Ohm Energy Series Single – Robidoux Inc
RCF S8018-MK2 Passive 18 Inch 1000 Watt Bass Reflex Subwoofer