Amazon.com: HERTZ UNO Series S-300-S4 12 in. (300mm) 250 Watt RMS 4-Ohm SVC Subwoofer : Electronics
Amazon.com: Focal RSB-300 12” Subwoofer for Sealed Enclosures : Electronics
Amazon.com: Monoprice Carbon Fiber In-Wall Speaker - 10 Inch (Each) 300 Watt Subwoofer, Easy Install For Home Theater - Alpha Series : Everything Else
Rockford Fosgate P300-8P Punch 8" 300-Watt Amplified Subwoofer in Ported Enclosure - Slim Design for Tight Spaces - Black
Amazon.com: OSD Audio SMP300 Subwoofer Amplifier + SC800D in-Wall 300W Home Theater Subwoofer : Electronics
Amazon.com: Sundown Audio E-8 V.5 D4 8" 300W RMS Dual 4-Ohm E-V.5 Series Subwoofer : Electronics
Amazon.com: 6.5 Inch Car Woofer Speaker - 300 Watt High Powered White Injected Polypropylene Cone Car Audio Sound Component Speaker System w/ High-Temperature Kapton Voice Coil, 4 Ohm, 40oz Magnet - Pyramid
Amazon.com: Rockford Fosgate P300-12 12" 300W Sealed Powered Subwoofer Sub Enclosure+Amp Kit : Electronics
Memphis 15-MCR12D4 12" 300 Watts RMS Dual 4-Ohm Subwoofer
Memphis 15-PRX1244 12" 300 Watts RMS Dual 4-Ohm Subwoofer
Amazon.com: NHT CS-10 10-inch Long Throw 300 W Powered Subwoofer | Sealed Box | Deep Musical Bass | Piano Black High-Gloss Paint : Electronics
Amazon.com: Goldwood Sound, Inc. Stage Subwoofer, OEM 15" Woofers 300 Watts Each 8ohm Replacement 2 Speaker Set (GW-215/40/8-2) : Musical Instruments
Amazon.com: Goldwood Sound, Inc. Stage Subwoofer, OEM 15" Woofers 300 Watts Each 8ohm Replacement 2 Speaker Set (GW-215/40/8-2) : Musical Instruments
Amazon.com: Polk Audio PSW111 8" Powered Subwoofer - Power Port Technology | Up to 300 Watt Amp | Big Bass in Compact Size | Easy Setup with Home Theater Systems Black : Electronics
DC Audio 6.5" Subwoofer D4 Ohm 300/600 Watts
Amazon.com: Dayton Audio SPA300-D 300 Watt Class-D Subwoofer Plate Amplifier : Electronics
Amazon.com: Compatible with Chevy Silverado 99-06 Extended Cab Truck Single 10" Kicker C10 Sub Box Enclosure 300 Watts Peak : Electronics
JBL Stage 100P 10" 300 Watts Powered Subwoofer
Rockville RVB8.1A 8 Inch 300W Powered Car Subwoofer/Sub Enclosure Box + Remote Black
Amazon.com: High-Powered Free Air Subwoofer - Impressive Bass Response, Low-Resonance Frequency Output, and Power Handling: 300 Watt PEAK / 150 Watt RMS with Car Subwoofer Size: 12.0 inch - Lanzar DCTOA124 : Electronics
Amazon.com: Pyramid 6" Car Audio Speaker Subwoofer - 300 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System w/ Molded P.P. Cone, 86 dB, 4Ohm, 40 oz Magnet,1 inch KAPTON Voice
Amazon.com: SVS SB-1000 300 Watt DSP Controlled 12" Ultra Compact Powered Subwoofer (Premium Black Ash) : Everything Else
Amazon.com: DC Audio 6.5" Subwoofer D2 Ohm 300/600 Watts : Electronics
