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: Rockville RVB8.1A 8 Inch 300W Powered Car Subwoofer/Sub Enclosure Box + Remote Black : Electronics
Amazon.com: CERWIN Vega VMAXS102 10″ 2Ω 300W RMS / 600W MAX High Performance Dual Shallow Subwoofer : Electronics
Amazon.com: Pyramid 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 - WX65X : Electronics
Amazon.com: Pyle Portable Bluetooth PA Speaker-300W Dual 8" Rechargeable Indoor/Outdoor BT Karaoke Audio System-TWS, Party Lights, LED Display, FM/AUX/MP3/USB, 6.5mm in, Carry Handle-Wireless Mic, Remote Control : Musical Instruments
Amazon.com: 8” Slim Marine Subwoofer - 300W 4 Ohm Waterproof Car Component Speaker System, Low Profile PP Cone w/Rubber Edge, 30 Oz Magnet 1.5" Voice Coil, for Custom Audio Boat Truck Mobile
Amazon.com: Pyle PLG64 6.5" 300 Watt Car Mid Bass/Midrange Subwoofers Sub Power Speakers (2) : Electronics
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
Amazon.com: OSD Forza 10 10" Outdoor Subwoofer with 300W of Power and High-Impact Molded Enclosure, IP66-rated Weather-Resistant : Electronics
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: 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: 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: Monoprice Carbon Fiber In-Wall Speaker - 10 Inch (Each) 300 Watt Subwoofer, Easy Install For Home Theater - Alpha Series,Off-White : Everything Else
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,Yellow : Electronics