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
Amazon.com: Pyle 5” x 7” Car Sound Speaker (Pair) - Upgraded Blue Poly Injection Cone 3-Way 300 Watts w/Non-fatiguing Butyl Rubber Surround 80-20Khz Frequency Response 4 Ohm & 1" ASV Voice Coil -
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
Amazon.com: Pyle Portable Bluetooth PA Speaker System-300W Rechargeable Indoor/Outdoor Bluetooth Speaker Portable System w/ 8” Subwoofer 1” Tweeter, Microphone in, Party Lights, MP3/USB, Radio, Remote PPHP834B : Musical Instruments
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: SOUND TOWN 10" RAW WOOFER SPEAKER, 150 WATTS PRO AUDIO PA DJ REPLACEMENT SUBWOOFER LOW FREQUENCY DRIVER (STLF-1050) : Musical Instruments
Amazon.com: DS18 SRW8.4 8" Shallow Car Subwoofer - 300 Watts, Single Voice Coil, 4-Ohm (1 Speaker) : Electronics
Amazon.com: Rockford Fosgate Punch P300-10T Single 10" 300-Watt Amplified Truck Sealed Box Subwoofer - Black : 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: Rockville RVB8.1A 8 Inch 300W Powered Car Subwoofer/Sub Enclosure Box + Remote Black : Electronics
Amazon.com: Pair of Gravity G5 12 Inch 6000 Watt Package Car Audio Subwoofer w/ 4 Ohm DVC Power (2 Woofers) : Electronics