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Amazon.com: PRV AUDIO 6MB200 v2 6.5 Inch Speakers Midbass Woofer 8 Ohm, 100 Watts RMS, 200 Watts Program Power, 93.5 dB 1.5 in Voice Coil for Small Custom Enclosures Pro Car Audio System (Single) : Musical Instruments
Amazon.com: 5 CORE Car Subwoofer Audio Speaker - 8 inch 4 Ohm, Foam Surround for Vehicle Stereo Sound System 90mm Magnet Loudspeaker Woofer Replacement Black WF 8"-890 1 PC : Electronics
Amazon.com: PRV AUDIO 10 Inch Woofer Speaker 10W650A, 650 Watts Program Power, 8 Ohm, 2.5 Inc Voice Coil, 325 Watts RMS Pro Audio Speaker Loudspeaker (Single) : Electronics
Amazon.com: HZPOWEN 10W Mini 3" HiFi Full Range Speaker 8 Ohm Anti-Magnetic Audio 2.0/2.1 Home Stereo Woofer Loudspeaker 90dB High Sensitivity for DIY Boom Box Satellites Speaker : Electronics
Amazon.com: Dayton Audio PA310-8 12" Pro Woofer : Electronics
Amazon.com: EMB Professional SB-15 15" 800W Steel Frame Impedance 8 Ohm Replacement Speaker for JBL, Peavey, Cerwin Vega, Gemini, EMB, BMB, Pyle-Pro, Mr.DJ & Many Brands! : Automotive
Amazon.com: Pack of 2 Full Range Bookshelf Speaker, 3 Inch 8 Ohm Anti-Magnetic HiFi Tweeter Wooden Enclosure Home Audio Woofer Multimedia Speakers (8Ω) : Electronics