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 -
Amazon.com: Pair of Sundown Audio SD-3 8 D4 8" 300W RMS Dual 4-Ohm SD Subwoofer : Electronics
Amazon.com: Massive Audio SUMMO84XL - 8 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 8" Subwoofer 300 Watt RMS, 600w MAX Dual 4 Ohm, 2 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Rockford Fosgate Punch P3 Shallow 10-Inch 300-Watt 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: NVX VCW122v3 (VCW122 Version 3) 2400 Watt Peak (1200W RMS) 12" VC-Series v3 Dual 2-Ohm Car Subwoofer : Electronics
Amazon.com: TORO TECH SLIM10, 10 Inch Hideaway Powered Under-Seat Car Subwoofer, Active Low Profile 10" Subwoofer, 300 Watt RMS Built in Amplifier, Gain Control and Bass Level Controller Included : Everything Else
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: Rockville RVB8.1A 8 Inch 300W Powered Car Subwoofer/Sub Enclosure Box + Remote Black : Electronics
Amazon.com: Infinity Primus 1270 12" Car Subwoofer (1200W Peak 300W RMS) (Renewed) : Electronics
Amazon.com: JBL Sub 550P High-Performance 10" Powered Subwoofer Sealed Enclosure with Built-in 300-Watt RMS Amplifier : Electronics
Amazon.com: Memphis PRXE12S2 12" 300W RMS 2-Ohm Enclosed Subwoofer : Electronics
Amazon.com: Mr. Dj WOOFER PA108 300-Watt Subwoofer, Black/Red : Electronics
Amazon.com: 5 CORE 15 inch Subwoofer Replacement PRO DJ Speaker Sub Woofer Loudspeaker Wide Full Range Loud 300 Watts RMS (3000W PMPO) 90oz Magnet Ratings 15-185 MS 300W : Electronics
Amazon.com: Rockford Fosgate P300-12 12" 300W Sealed Powered Subwoofer Sub Enclosure+Amp Kit : Electronics
Amazon.com: Skar Audio FSX10-8 10" 300 Watt 8 Ohm Pro Audio Midrange Loudspeaker, Each : Everything Else
Amazon.com: Skar Audio DDX-10 D2 10" 1500 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Memphis 15-PRX1244 12" 300 Watts RMS Dual 4-Ohm Subwoofer : Electronics - Amazon.com
Memphis 15-MCR12D4 12" 300 Watts RMS Dual 4-Ohm Subwoofer
Amazon.com: Pyle Portable Bluetooth PA Speaker System - 300W Rechargeable Indoor/Outdoor Bluetooth Speaker Portable PA System w/ 8” Subwoofer, AUX, Microphone in, Party Lights, MP3/USB, Radio, Remote PPHP854B : Musical Instruments
Amazon.com: PIONEER TS-A2500LS4 1200 Watt 10"" Shallow Mount 4 Ohm SVC Subwoofer : Electronics
Amazon.com: ID12 V.4 D4 - Image Dynamics 10" 300W RMS Dual 4-Ohm V.4 Subwoofer : 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: Rockville K5 W10K5S4 10" 1200w 4 Ohm Car Audio Subwoofer Sub 300w RMS CEA Rated!, Black : Everything Else
Amazon.com: MTX 10" Shallow 300 Watts RMS 4 Ohm Subwoofer 3510-04S (35 Series) 3.375" Mounting Depth : Electronics
Amazon.com: Seismic Audio - Baby-Tremor-PKG1 - Pair of 15" Pro Audio Subwoofer Cabinets - 300 Watts RMS - PA/DJ Stage, Studio, Live Sound Subwoofers : Musical Instruments
Amazon.com: Skar Audio IX-8 D4 8" 300 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
