Amazon.com: Sound Town 15" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement Woofer for PA/DJ Subwoofer, 4-ohm (STLF-1504-4) : Musical Instruments
Amazon.com: Gravity 2X 8 Inch 1200 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power 8' Sub Pair - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance
Amazon.com: Massive Audio GTX64 – 6.5 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 6.5" Subwoofer 250 Watt RMS, 500w MAX Dual 4 Ohm, 1.5 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: PRV AUDIO 4 Inch Midrange Speaker 4MR60-4, 60 Watts Program Power, 4 Ohm, 30 Watts RMS Power Pro Audio Loudspeaker (Single) : Electronics
Amazon.com: Alphasonik NSW408 Neuron 400 Series 8 pulgadas 750 vatios máximo/250 vatios RMS Dual 4 Ohm Subwoofer de coche con imán de alta calidad no prensado. : Electrónica
Amazon.com: Pyle Car Subwoofer Audio Speaker - 8in Non-Pressed Paper Cone, Black Plastic Basket, Dual Voice Coil 4 Ohm Impedance, 800 Watt Power and Foam Surround for Vehicle Stereo Sound System -
Amazon.com: PRV AUDIO 12 Inch Midrange Speaker 12MR2000 2000 Watts Program Power, 8 Ohm, 4 in Voice Coil,1000 Watts RMS Midbass Woofer for Pro Audio Systems (Single) : Electronics
Amazon.com: PRV AUDIO 8MR450A 8 Inch Midrange Speaker, 8 Ohms, 450 Watts Continuous Program Power, 225 Watts RMS Power, 96 dB, Mid Range Loudspeaker for High Output Pro Sound System (Single) : Electronics
Amazon.com: Goldwood Sound GW-8PC-8 Heavy Duty 8ohm 8" Woofer 330 Watts Replacement Speaker, Black : Musical Instruments
Amazon.com: CT Sounds STRATO-8-D4 1200 Watts Max 8 Inch Car Subwoofer Dual 4 Ohm : Electronics
Amazon.com: Gravity 1x 8 Inch 1200 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power 8' Sub Single - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance
Amazon.com: DS18 PRO-X8.4BM Loudspeaker - 8", Midrange, Red Aluminum Bullet, 550W Max, 275W RMS, 4 Ohms - Premium Quality Audio Door Speakers for Car or Truck Stereo Sound System (1 Speaker) : Electronics
Amazon.com: Alphasonik AS8DF 8 inch 600 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure : Electronics