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DS18 SLC12S Car Subwoofer Audio Speaker - 12" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 500W MAX Power and Foam Surround for Vehicle Stereo Sound System
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Amazon.com: PRV AUDIO 12 Inch Woofer Speaker 12W750A 750 Watts Program Power, 8 Ohm, 2.5 In Voice Coil, 375 Watts RMS Pro Audio Systems Loudspeaker (Single) : Electronics
Amazon.com: PRV AUDIO 2X 6MR250B-4 Slim Midrange 6.5" Shallow Bullet Speakers 250 Watts 4 Ohm, Slim Mount Car Audio Bullet Loudspeaker Compact for Doors with 1 Exclusive Lanyard (2 Speakers) : Electronics
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Amazon.com: Skar Audio FSX65-8 6.5" 300 Watt 8 Ohm Pro Audio Midrange Loudspeaker, Each : Everything Else
Amazon.com: NVX VCW122v3 (VCW122 Version 3) 2400 Watt Peak (1200W RMS) 12" VC-Series v3 Dual 2-Ohm Car Subwoofer : Electronics
Amazon.com: PRV AUDIO 6.5 Inch Midrange Speaker 6MR500-NDY-4, 500 Watts Max Power, 4 Ohm, 2 in Voice Coil, 250 Watts RMS, Neodymium Magnet, Smooth Full Range Response Through 13kHz for Car Audio
Amazon.com: Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass Remote : Electronics