Amazon.com: Rockville DK58 PACKAGE Dual 8" 1600w Loaded K5 Car Subwoofer Enclosure+DB11 Amp, Black : Electronics
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: Skar Audio EVL-65 D4 6.5" 400 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Amazon.com: Alphasonik NSW412 Neuron 400 Series 12” 1500 Watts Max / 500 Watts RMS Dual 4 Ohm Car Subwoofer w/ High Grade Magnet Non Pressed Paper Carbon Stitched Cone Cooling Rings System
Amazon.com: Pyle 8 Inch Car Midbass Woofer - 360 Watt High Powered Car Audio Sound Component Speaker System w/High-Temperature Kapton Voice Coil, 200Hz-5kHz Frequency, 94 dB, 8 Ohm, 35 oz Magnet - PDMR8 : Electronics