8 Inch Subwoofer 50 Watt HiFi Woofer Deep Bass Heavy Magnet Assorted Colour Subwoofer : Amazon.in: Electronics
Blaupunkt Pure 66.2 40W Wired Coaxial Woofer - Black : Amazon.in: Electronics
Amazon.com: 10 Inch Under Seat Woofer Black Slim Under Seat Car Active Sub Woofer Bass Aluminium Alloy Speaker 12V 600W : Electronics
Electronic Spices 4"inches Bluetooth Max Power Audio Speaker Sub Woofer 20w, Multicolor : Amazon.in: Computers & Accessories
2 speakers 2-way coaxial speakers compatible with ALPINE SXE-13C2 13.00 cm 130 mm 5.25" 35 watt rms 200 watt max 4 ohm 92 db car counters, per pair: Amazon.co.uk: Electronics & Photo