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Rockville W12K9D4 12" K9 V3 DVC 4-Ohm Car Subwoofer, 4000W Peak / 1000W RMS
- HIGH POWER HANDLING: Handles 4000W peak, 2000W program, and 1000W RMS for powerful, distortion-free bass in your vehicle.
- FLEXIBLE WIRING: Dual 4-ohm voice coils with a 3" 4-layer aluminum former wound with OFC wire for efficient performance.
- PREMIUM BUILD: Ultra-stiff non-pressed paper cone with thick foam surround and heat-resistant aluminum voice coil for durability.
- COOLING & PERFORMANCE: Features improved ventilation, inner dustcap, and voice coil spacer for enhanced cooling and reliability.
- HEAVY-DUTY DESIGN: Double-stacked 190 oz magnet, cast aluminum basket, and 83dB sensitivity; works in sealed or ported enclosures.
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Overview
Specs
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Features: Rockville W12K9D4 K9 Series 12" Dual 4-Ohm Car SubwooferPeak
Power Handling: 4000 WattsProgram
Power Handling: 2000 WattsCEA Rated
RMS Power Handling: 1000 Watts3" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire Made in JapanThe CCAW Wire we use is made in Japan. It is one of the most important components to make the sub high quality and last longer. (Most subs on the market use wire made in China which can not handle nearly as high temperatures as our wire that is made in Japan) Double Stacked 190 Oz High Quality MagnetCast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient And Lighter WeightBlack Non-Pressed Paper Cone With Beautiful FinishOur cones are ultra-stiff. They are thicker and stronger than other subs on the market making our subs able to handle more power. Thick Foam Surround Provides Incredible Sound Quality With Minimal DistortionRed Stitching Cone Reinforcement Ensures Long LifePolypropylene (PP)
DustcapImpedance: Dual 4-Ohm Voice CoilsVented Hole on T-yoke Enhances Heat DissipationSpecial Custom Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the MagnetCustom Rockville Mounting Gasket Looks Beautiful and Makes it Easy To Mount the Subwoofer Air-TightHigh BL Magnetic Motor GapWe use the highest grade black glue that handles extremely high temperatures which allows our woofer to handle even more power than they are ratedNomex Spider provides tear resistance, strength and long-term reliability over regular cotton and poly cotton spidersCutout
Diameter: 11.13 inchesMounting
Depth: 6.85 inchesFrequency
Response: 33 Hz - 1.5K kHz10mm T-Yoke + 10mm
WasherSensitivity: 83dBSealed
Enclosure Volume: 0.8 - 1.25 Cubic FeetVented/Ported
Enclosure Volume: 1.75 - 3.0
Cubic FeetWeight: 28.67 Lbs.
Shipping Weight: 33 Lbs.
Shipping Box Dimensions: 14.57" x 14.57" x 10.83"
InchesTS Parameters:
Fms: 35.7
HzRes: 89.4
OhmRe: 7.6
OhmQms: 4.60Q
es: 0.61Q
ts: 0.54R
ms: 11.8
kg/sCms: 0.08
mm/NMms: 242.4
grNref: 0.22
%Bl: 26.1N
/ASPL: 85.3
dBVAS: 30.0
LRp: 53.7
OhmLP: 48.8
mHCP: 499.5
uFLe: 3.28 mH
Power Handling: 4000 WattsProgram
Power Handling: 2000 WattsCEA Rated
RMS Power Handling: 1000 Watts3" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire Made in JapanThe CCAW Wire we use is made in Japan. It is one of the most important components to make the sub high quality and last longer. (Most subs on the market use wire made in China which can not handle nearly as high temperatures as our wire that is made in Japan) Double Stacked 190 Oz High Quality MagnetCast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient And Lighter WeightBlack Non-Pressed Paper Cone With Beautiful FinishOur cones are ultra-stiff. They are thicker and stronger than other subs on the market making our subs able to handle more power. Thick Foam Surround Provides Incredible Sound Quality With Minimal DistortionRed Stitching Cone Reinforcement Ensures Long LifePolypropylene (PP)
DustcapImpedance: Dual 4-Ohm Voice CoilsVented Hole on T-yoke Enhances Heat DissipationSpecial Custom Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the MagnetCustom Rockville Mounting Gasket Looks Beautiful and Makes it Easy To Mount the Subwoofer Air-TightHigh BL Magnetic Motor GapWe use the highest grade black glue that handles extremely high temperatures which allows our woofer to handle even more power than they are ratedNomex Spider provides tear resistance, strength and long-term reliability over regular cotton and poly cotton spidersCutout
Diameter: 11.13 inchesMounting
Depth: 6.85 inchesFrequency
Response: 33 Hz - 1.5K kHz10mm T-Yoke + 10mm
WasherSensitivity: 83dBSealed
Enclosure Volume: 0.8 - 1.25 Cubic FeetVented/Ported
Enclosure Volume: 1.75 - 3.0
Cubic FeetWeight: 28.67 Lbs.
Shipping Weight: 33 Lbs.
Shipping Box Dimensions: 14.57" x 14.57" x 10.83"
InchesTS Parameters:
Fms: 35.7
HzRes: 89.4
OhmRe: 7.6
OhmQms: 4.60Q
es: 0.61Q
ts: 0.54R
ms: 11.8
kg/sCms: 0.08
mm/NMms: 242.4
grNref: 0.22
%Bl: 26.1N
/ASPL: 85.3
dBVAS: 30.0
LRp: 53.7
OhmLP: 48.8
mHCP: 499.5
uFLe: 3.28 mH
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by GoBeRotie Return Policy
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