Amazon.com: eboxer-1 3 Inch Mini Full Frequency Audio Speaker,4ohm 5W High Sensitivity Loudspeaker, Full Range Audio Speaker Stereo Woofer Loudspeaker,Home Stereo woofer Speaker for Multimedia Sound Box DIY : Electronics
Soundstream X5.15 Tarantula XP 15" 3500W RMS (7500W Peak Power Handling) Dual 1 Ohm Voice Coils Limited Edition – Car Subwoofer - Walmart.com
One unit (not pair) |15 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-15 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY
Kicker 43CWRT101 CompRT 800 Watt 10 inch Shallow Mount Subwoofer - Dual 1 Ohm Voice Coil
Amazon.com: DS18 PRO-BX21N.1 Car Subwoofer Audio Speaker - 21" in Neodymium Magnet, 6" Voice Coil, 1 Ohm Impedance, 3000W Rms Power, 6000W Max Power - Reinforced Paper Cone for Outstanding Performance : Electronics
Tang Band W5-1138SM 5-1/4" Neodymium Subwoofer
Subwoofer Speaker 4 Inch 50w | 2 Inch Subwoofer Speaker | Bass Speaker Subwoofer - 4 - Aliexpress
Bbox Pro Series, Single Sealed – Atrend USA
Amazon.com: Pyramid 6" Car Audio Speaker Subwoofer - 300 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System w/ Molded P.P. Cone, 86 dB, 4Ohm, 40 oz Magnet,1 inch KAPTON Voice