Amazon.com: Pyle 6.5 Inch Mid Bass Woofer Sound Speaker System - Pro Loud Range Audio 300 Watt Peak Power w/ 4 Ohm Impedance and 60-20KHz Frequency Response for Car Component Stereo PLG64,Yellow : Electronics
STLF-15200A | 15" Cast Aluminum Frame High-Power Raw Woofer Speaker, 8 – Sound Town
Amazon.com: Polk Audio HTS 12 Powered Subwoofer with Power Port Technology | 12” Woofer, up to 400W Amp | For the Ultimate Home Theater Experience | Modern Sub that Fits in any
LASE SPM-1000S SUB Woofer Power Amplifier Module 1000W (Passive Sub into Active)
Sound Town 18" Cast Aluminum Frame High-Power Raw Woofer Speaker, 1000 Watts Pro Audio PA DJ Replacement Subwoofer Low Frequency Driver (STLF-18500A) - Walmart.com
STLF-18120A | 18" Cast Aluminum Frame High-Power Raw Woofer Speaker, 5 – Sound Town
DHD Power Cruiser NTX-6510 10” Subwoofer 600w w/ Wire & 1 Terminal Cup WORKS EUC | eBay