Amazon.com: 5 CORE 15 Inch Subwoofer Speaker 3000W Peak High Power Handling 300W RMS 15" Replacement 8 Ohm Pro Audio DJ Sub Woofer w/CCAW Voice Coil Steel Frame 90oz Magnet 15-185 MS
Amazon.com: HERTZ Mille Pro Series MP-300-D43 12 in. (300mm) 600 Watt RMS 4-Ohm DVC Subwoofer : Electronics
Amazon.com: KICKER 48CDF104 Comp10 10" 300w Subwoofer+Sub Box Enclosure Bundle with Rockville Bluetooth Speaker (2 Items) : Electronics
Amazon.com: MartinLogan Dynamo 800 X 10-inch 300 Watt Powered Subwoofer with Sub Control App - Black : Electronics
Amazon.com: Powered Subwoofer, Konex 12" Woofer 300W Powered Active Subwoofer, High Connectivity, Low Impedance Inputs & Line Input, Standby Mode, for Studio & Home Theater, Black : Electronics
Amazon.com: Kanto SUB8VMW Sealed Powered Subwoofer | 300W Peak Power | 8" Woofer | Matte White : Electronics
Amazon.com: Pyle Bluetooth PA Speaker System - 300W Rechargeable Outdoor Bluetooth Speaker Portable PA System w/ 8” Subwoofer 1” Tweeter, Microphone in, MP3/USB, Radio, Remote - Pyle PPHP838B, Black : Musical Instruments
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,Black
Amazon.com: Rockville RVB8.1A 8 Inch 300W Powered Car Subwoofer/Sub Enclosure Box + Remote Black : Electronics
Amazon.com: Powered Subwoofer, Konex 12" Woofer 300W Powered Active Subwoofer, High Connectivity, Low Impedance Inputs & Line Input, Standby Mode, for Studio & Home Theater, Black : Electronics
Amazon.com: Renegade RX830 RX830 RX830 300 W 3 Way Triaxial Speaker : Electronics
Amazon.com: NVX QBUS8P 300W Peak (150W RMS) Amplified and Loaded 8" Ported Under Seat Quick Bass Universal Subwoofer System with Remote Bass Knob : Electronics