Amazon.com: 8 Inch Car PA Woofer - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5" Kapton Voice Coil, 55-6 kHz Frequency, 89.2 dB, 8 Ohm, 40 oz Magnet - PylePro PPA8 , Black : Electronics
Amazon.com: 4 Pack 8" Dual 4 Ohm Subwoofer 500 Watts Car Audio Sub DVC Cerwin Vega V84DV2 : Electronics
Amazon.com: CERWIN VEGA V84D 500 Watts Max 4 Ohms/250W RMS Power Handling 8-Inch Dual Voice Coil : Electronics
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 Systems (Single) : Musical Instruments
Amazon.com: Memphis Audio 15SA12D4 15 500 Watts Dual 4 Ohm Coil SA Series Car Subwoofer : Electronics
Amazon.com: Alphasonik NSW410 Neuron 400 Series 10” 1200 Watts Max / 400 Watts RMS Dual 4 Ohm Car Subwoofer w/ High Grade Magnet Non Pressed Paper Carbon Stitched Cone Cooling Rings System
Amazon.com: Cadence 8 Inch Subwoofer, 500 Watts Dual 4 Ohm Ultra Drive Series Car Audio UD8D4 : Everything Else
Amazon.com: Rockford Fosgate R2D2-10 500W 10" 2-Ohm DVC Subwoofer Power Sub Woofer (3 Pack) : Electronics
Amazon.com: Audiopipe APSB-1299PP Dual 12 Inch Car Audio Subwoofer Speakers and Sealed Enclosure, 2 Channel 500 Watt Amplifier, and Wire Installation Kit : Electronics
Amazon.com: 2 x 15 Subwoofer 2000W Single 4 Ohm Bass Pro Car Audio American Bass DX-15 : Electronics
10 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 2 Inch High-Temperature Kapton Voice Coil, 85.6 dB, 8 Ohm, 60 oz Magnet - Pyramid PW1048USX : Electronics
Amazon.com: Memphis Audio SRX1240 Street Reference Series 12" 500 Watts Peak Power 4 Ohm Car Subwoofer : Electronics