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Amazon.com: Massive Audio GTX154 – 15 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 15" Subwoofer 700 Watt RMS, 1400w MAX Dual 4 Ohm, 2.5 Inch Voice Coil. Sold Individually : Electronics
Amazon.co.jp: Audiopipe 10" Woofer 4 Ohm DVC 800 Watts Max : Audiopipe: 家電＆カメラ
Amazon.com: Focal Performance Sub P 30 12" 4-ohm subwoofer : Electronics
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: 2 x 12 Subwoofer 1200W 2" 4 Ohm DVC Pro Car Audio American Bass XO-1244 : Electronics
Amazon.com: MTX TN10-04 10-Inch Single 4-OHM Subwoofer 150-Watt RMS : Electronics
Amazon.com: Audiopipe TXX-BD2-12 12 Inch High Performance 1500 Watt Max Power Car Audio Subwoofers with Dual 4 Ohm Voice Coil (2 Pack) : Electronics
Amazon.co.jp: JINGERL Subwoofer 4 Inch 4 Cup 40W HIFI Subwoofer Speaker 8OHM 4OHM WOOFER Audio Sound Speaker Base Speaker DIY 1 Piece (Color: 4ohm-1Piece) : Electronics
Amazon.com: CT Sounds TROPO-6.5-D4 400 Watts Max 6.5 Inch Car Subwoofer Dual 4 Ohm : Everything Else
Amazon.com: PIONEER 12” Dual 4 ohms Voice Coil Subwoofer : Electronics
SA – 12 D4 REV. 3 – Sundown Audio 12 W Dual 4 – Ohm SA Series Subwoofer by Sundown Audio : Electronics - Amazon.co.jp
Amazon.com: Sundown Audio U-8 D4 8" 600W RMS Dual 4-Ohm Subwoofer : Electronics
Amazon.co.jp: PowerBass S84 S-Series 8-Inch Single 4 Ohm Subwoofer by PowerBass : 家電＆カメラ
Alpine W10S4 10-inch Single 4 Ohm Subwoofer Bundle : Amazon.ca: Electronics
Amazon.com: Alpine S-W10D4 S-Series 10" Dual 4-Ohm Subwoofer : Electronics
Pyle PLPW6D 6-Inch 600 Watt Dual 4 Ohm Subwoofer : Amazon.com.au: Electronics
Amazon.com: CT Sounds Hydro 12 Inch Car Subwoofer 600w RMS Dual 4 Ohm : Electronics
Amazon.com: Memphis Audio MJP1244 12 in 1500 Watt MOJO Pro Car Audio Subwoofer DVC 4 ohm Sub, Black : Electronics
Amazon.com: Pair of E-12 V.3 D4 - Sundown Audio 12" 500W RMS Dual 4-Ohm EV.3 Series Subwoofers : Electronics
Boss Audio ch10dvc Chaos 10 inch Dual Voice Coil (4 Ohm) 1500 – Watt Subwoofer by Boss Audio : Electronics - Amazon.co.jp
Amazon.com: CT Sounds OZONE-10-D4 1600 Watts Car Subwoofer Dual 4 Ohm : Electronics
Amazon.com: Skar Audio SDR-10 D4 10" 1200 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Amazon.co.jp: Audiopipe 10" Woofer 4 Ohm DVC 800 Watts Max : Audiopipe: 家電＆カメラ
