Amazon.com: Rockville W65K9D2 6.5" 1000w Peak Car Audio Subwoofer Dual 2-Ohm Sub 250w RMS CEA Rated : Electronics
Amazon.com: SOUND TOWN 6" RAW WOOFER SPEAKER, 80 WATTS PRO AUDIO PA DJ REPLACEMENT SUBWOOFER LOW FREQUENCY DRIVER (STLF-630) : Musical Instruments
Amazon.com: Ground Zero Iridium 16,5 cm / 6.5" Subwoofer - 4 Ohm - 100 WRMS, Black : Electronics
Amazon.com: Pyle 6.5 Inch Mid Bass Woofer Sound Speaker System - Pro Loud Range Audio 300 Watt Peak Power w/ 4 Ohm Impedance and 60-20KHz Frequency Response for Car Component Stereo PLG64,Yellow : Electronics
Amazon.com: Kenwood KFC-C6866R Road Series Car Speakers (Pair) - 6"x8" 2-Way Car Coaxial Speakers, 250W, 4-Ohm Impedance, Cloth Woofer & Balanced Dome Tweeter, Heavy Duty Magnet Design : Electronics
Amazon.com: Lanzar 6.5” Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Aluminum Voice Coil, 4 Ohm Impedance, 600 Watt Power and Foam Edge Suspension for Vehicle Audio Stereo Sound System - MAXP64 : Electronics
Amazon.com: PYLE-PRO 6 Inch Car Midbass Woofer - 400 Watt High Powered Car Audio Sound Component Speaker System w/High-Temperature Kapton Voice Coil, 60Hz-7kHz Frequency, 88.5 dB, 8 Ohm, 30 oz Magnet PPA6 ,
Amazon.com: ASHATA 600 Watt Car Subwoofer, 6 Inch Car Speakers, 4 Ohms Car Subwoofer Loudspeaker Midrange Coaxial Speakers Black for Car Audio Systems : Electronics
Amazon.com: Faital Pro 6FE200 Subwoofer - Set of 1 : Electronics