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Samsung Active Subwoofer Speaker 6.5" YKW16505-04 | eBay
Car Bass Woofer Speaker High Powered Magnet Core 4 Ohm for - Temu
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Stage Right by Monoprice LM15A 1000W 15in Powered Subwoofer Speaker with Class D and DSP - Monoprice.com
Amazon.com: 5 CORE 15 Inch Subwoofer Speaker 2200W Peak High Power Handling 250W RMS 15" Replacement 8 Ohm Pro Audio DJ Sub Woofer w/CCAW Voice Coil Steel Frame 90oz Magnet 15-185 MS