JL Audio 10W0v3-4 | 300 Watt 10" Single 4-Ohm Subwoofer
Match Subwoofer Auto Bass 300mm 300W MW12W-D
Hifonics Untersitz-Aktiv-Subwoofer 300 Watt Aktiv flach Auto Verstärker ZRX200A | eBay
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 : Electronics
JBL Subwoofer (JBL BassPro Hub - Reserverad Aktiv Subwoofer Auto Set - 300 Watt) - Fair Xchanges
SOUND AROUND ELECTRONICS PW677X 6 300 Watt Subwoofer - Walmart.com
Kicker 12CX300.1 Mono subwoofer amplifier — 300 watts RMS x 1 at 2 ohms at Crutchfield
(HIGH DEMAND!)Vintage Old School Pioneer 300W 4-Ohm TS-W251F Free-Air Subwoofer | eBay
300W Subwoofer Amplifier | OSD Audio
Amazon.com: 10 Inch Car Subwoofer Speaker - 300 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch Kapton Bobbin Voice Coil, 8 Ohm, 25 oz Magnet, Cloth Edge Suspension - Pyramid WH10