They pound hard
"I love these speakers they hit hard. I wouldn’t put nothing else in any vehicle or boat."
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Rockville
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SKU: SKU: W15K9D2
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1250W RMS power and an ultra-stiff cone deliver rich, resonant lows for a premium listening experience.
Vented T-yoke and high-grade glue keep the subwoofer cool and reliable during extended sessions.
Cast aluminum basket, double-stacked magnet, and Nomex spider provide strength, reliability, and lighter weight.
Compatible with sealed or ported enclosures, with a custom mounting gasket for a secure, air-tight fit.
Black sanded finish, red stitching, and custom rubber boot magnet cover create a refined, modern look.

12" 1000W RMS Dual 2-Ohm Car Subwoofer, Black
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12" 1400W RMS Punisher Dual 2-Ohm Car Subwoofer, Black
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8" 500W RMS Dual 2-Ohm Car Subwoofer, Black
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12" 2000W RMS Destroyer Dual 1-Ohm Car Subwoofer, Black
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12" 600W RMS Dual 4-Ohm Car Subwoofer, Black
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10" 1250W RMS Punisher Dual 1-Ohm Car Subwoofer, Black
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10" 500W RMS Dual 2-Ohm Car Subwoofer, Black
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8" 250W RMS 2-Ohm Shallow Mount Car Subwoofer, Black
12" 1400W RMS Punisher Dual 1-Ohm Car Subwoofer, Black
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15" 1250W RMS Dual 2-Ohm Car Subwoofer, Black
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12" 1000W RMS Dual 4-Ohm Car Subwoofer, Black
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10" 800W RMS Dual 4-Ohm Car Subwoofer, Black
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12" 2000W RMS Destroyer Dual 2-Ohm Car Subwoofer, Black
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10" 800W RMS Dual 2-Ohm Car Subwoofer, Black
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10" 1250W RMS Punisher Dual 2-Ohm Car Subwoofer, Black
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12" 600W RMS 3-Ohm Car Subwoofer, Black
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15" 1500W RMS Punisher Dual 2-Ohm Car Subwoofer, Black
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8" 500W RMS Dual 4-Ohm Car Subwoofer, Black
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10" 500W RMS Dual 4-Ohm Car Subwoofer, Black
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15" 2000W RMS Destroyer Dual 1-Ohm Car Subwoofer, Black
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12" 350W RMS 4-Ohm Shallow Mount Car Subwoofer, Black
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15" 2000W RMS Destroyer Dual 2-Ohm Car Subwoofer, Black
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10" 350W RMS 2-Ohm Shallow Mount Car Subwoofer, Black
12" 350W 2-Ohm Shallow Mount Car Subwoofer, Black
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10" 300W RMS 4-Ohm Shallow Mount Car Subwoofer, Black
6.5" 250W RMS Dual 2-Ohm Car Subwoofer, Black
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15" 1250W RMS Dual 4-Ohm Car Subwoofer, Black
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15" 1500W RMS Punisher Dual 1-Ohm Car Subwoofer, Black
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12" 350W RMS 2-Ohm Car Subwoofer, Black
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6.5" 250W RMS Dual 4-Ohm Car Subwoofer, Black
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8" 200W RMS 2-Ohm Car Subwoofer, Black
12" 350W RMS 4-Ohm Car Subwoofer, 4-Ohm, Black
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15" 1000W RMS Dual 4-Ohm Car Subwoofer, Black
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15" 1000W RMS Dual 2-Ohm Car Subwoofer, Black
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8" 250W RMS Shallow Mount Car Subwoofer, 4-Ohm, Black
10" 300W RMS 4-Ohm Car Subwoofer, Black
8" 200W RMS 4-Ohm Car Subwoofer, Black
10" 300W RMS 2-Ohm Car Subwoofer, Black
12" 350W RMS 2-Ohm Car Subwoofer, 350W RMS, Black
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8" 750W RMS Dual 2-Ohm Car Subwoofer, Black
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8" 750W RMS Punisher Dual 1-Ohm Car Subwoofer, Black
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8" 350W RMS Dual 2-Ohm Car Subwoofer, Black
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8" 350W RMS Dual 4-Ohm Car Subwoofer, Black
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2-Pack 12" 350W RMS 2-Ohm Car Subwoofer, Black
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2-Pack 12" 1000W RMS Dual 2-Ohm Car Subwoofer, Black
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2-Pack 8" 750W RMS Dual 2-Ohm Car Subwoofer, Black
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2-Pack 6.5" 250W RMS Dual 4-Ohm Car Subwoofer, Black
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Recone Kit for Destroyer 15D2, 15" Capacity, Includes Dustcap, Cone, Spider, Spacers, and Voice Coil
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2-Pack 10" 300W RMS 4-Ohm Car Subwoofer, Black
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Recone Kit, Pre-Assembled for W15K9D4, 15" Capacity, Includes Dustcap, Cone, Spider, Spacers, Voice Coil
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Impedance Vs Frequency
K9 SUBWOOFERS REAL WORLD TESTS & EXPLANATIONS
Overall rating: 5.0 / 5 from 9 reviews.
Review topics: [].
"I love these speakers they hit hard. I wouldn’t put nothing else in any vehicle or boat."
— Craig S. (5/5)
"I absolutely love the sound it produces,and will be purchasing a second one in a few weeks"
— Dwayne H. (5/5)
"Sounds amazing hits deep lows as 22hz way better than my 3000 watt wax Orion"
— Keith Y. (5/5)
"They kick hard and have great clean sound quality, probably the best woofer brand I've owned to date, would recommend to any and everyone. Thanks rockville!"
— Isaiah K. (5/5)
"Absolutely love them they hit hard would definitely recommend them"
— William E. (5/5)
"Love tham"
— Robert F. (5/5)
"I am pleased with this purchase. I have two of them in a large enclosure. I did not believe they could or needed as much power as the RMS specifications say. I had them powered with a QSC GX500 pushing 700 watts into each of them. The amp went into clipping easily. I purchased a Rockvill RPA16 to power them. Clipping is not an issue. Still testing only one day in."
— Ben M. (5/5)
"the speaker is great and it hits hard, the only thing, it say is same/next day shipping but it took 2 weeks to come in. It’s okay though bc the shipping was free. I give 5 stars fs"
— Skylar W. (5/5)
"Good quality sound"
— KENNETH H. (5/5)