Amazon.com: Car Vehicle Subwoofer Audio Speaker - 6 Inch Competition Grade Pressed Paper Cone, 4 Ohm Impedance, Advanced Air Flow, 400W Power for Stereo Sound System - Audiotek K706 (1 Subwoofer) PK1 : Electronics
Sweton Speakers - Order Online
GHXAMP 150MM 6 inch Pure Subwoofer Speaker Unit 4ohm 60W Deep Bass Speakers Home Theater Car Loudspeaker Rubber Edge 1pc|Subwoofer| - AliExpress
Audiopipe TSCVR6 TSCVR Series 6-1/2 inch Subwoofer - Dual 4 ohm voice coils
Subwoofer Shocking Bass unit 4.5 inch 6 ohms Hi Fi Audio Speaker 40W Stereo Loudspeaker Woofer Speaker for DIY speakers|speaker 40w|speaker forspeaker speaker - AliExpress
6.5" Subwoofer Dual 4 Ohm 500 Watts Max Car Audio Sub Audiopipe TXX-BDC4-6 - Walmart.com
Amazon.com: Massive Audio HIPPOXL64 – 6 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 6" Subwoofer 300 Watt RMS, 600w MAX Dual 4 Ohm, 2 Inch Voice Coil. Sold Individually : Electronics
Kanto SUB6 6-inch Powered Subwoofer, Matte Black : Electronics
LTEFTLFL 6 Inch 350W 4 Under-Seat Car Subwoofer Speaker Stereo Audio Bass Powerful Amplifier : Cell Phones & Accessories
FIERCE 6 Inch Subwoofer | 6.5 Inch Car Subwoofers | 200 Watts RMS – TORO AUDIO
6 – 8″ Subwoofer – Ground Zero Audio
Tang Band W6-1139SIF 6-1/2" Paper Cone Subwoofer Speaker