Rockville W10K9D4 V3 K9 Series 10" Car Subwoofer, 3200W Peak/800W RMS, Dual 4-Ohm, 3" OFC Voice Coil, 185 oz Magnet, 26mm Xmax, Cast Aluminum Basket, for Car Audio
Condition: New
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Availability:
In Stock.
Arrives
Saturday, May 30
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Style: 10ā K9 Series 4 Ohm
Features
- POWERFUL PERFORMANCE: Handles 3200W peak/800W RMS with deep, accurate bass response, delivering rich low frequencies for hip-hop, EDM, and rock.
- PREMIUM COMPONENTS: Features a 3" 4-layer black aluminum OFC voice coil (USA-made) and double stacked 185 oz magnet for strength and reliability.
- ENHANCED COOLING: Inner dustcap, vented pole, and coil spacer improve heat dissipation, keeping performance stable during long bass-heavy sessions.
- RUGGED DESIGN: Ultra-stiff non-pressed paper cone, Punisher series polypropylene dustcap, Nomex spider, and white stitching ensure long-lasting durability.
- OPTIMAL FIT: 6.5" mounting depth, 9.37" cutout diameter, custom mounting gasket, sealed box volume 0.55-0.95 cu ft, ported 1.2-1.8 cu ft, sensitivity 85dB.
Brand: Rockville
Speaker Maximum Output Power: 3200 Watts
Frequency Response: 1.5 KHz
Connectivity Technology: wired
Audio Output Mode: Surround
Audio Output Mode: Surround
Mounting Type: Car Mount
Enclosure Material: Non-Pressed Paper, Ultra-stiff Polypropylene
Speaker Type: Subwoofer
Additional Features: Improved Performance and Cooling
Antenna Location: car
Subwoofer Diameter: 10 Inches
Color: Black
Is Waterproof: FALSE
Warranty Type: Limited
Control Method: Voice
Speaker Size: 10 Inches
Woofer Diameter: 10 Inches
Specific Uses For Product: Car audio
MP3 player: No
Controller Type: Voice control
Speaker Maximum Output Power: 3200 Watts
Input Voltage: 12 Volts
Unit Count: 1.0 Count
Item Dimensions D x W x H: 13.5"D x 13.5"W x 12.3"H
Compatible Devices: Smartphone, Tablet, MP3 Player, Desktop, Laptop
Compatible with Vehicle Type: Car
Audio Driver Type: Dynamic Driver
Audio Driver Size: 10 Inches
Brand: Rockville
Model Number: W10K9D4
Model Name: W10K9D4
Built-In Media: Subwoofer
Warranty Description: 1 YEAR
Number of Items: 143
Customer Package Type: FFP
Series Number: 3
UPC: 819216020555
Global Trade Identification Number: 55
Manufacturer: Rockville
Item Type Name: Rockville W10K9D4 10" 3200w Peak Car Audio Subwoofer Dual 4-Ohm Sub 800w RMS CEA Rated
Frequency Response: 1.5 KHz
Number of Audio Channels: 2.1
Impedance: 4 Ohms
Connectivity Technology: wired
Subwoofer Connectivity Technology: Wired
Connectivity Protocol: wired
Power Source: Corded Electric
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, May 30
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 10ā K9 Series 4 Ohm
I have too say am very impressed!! Iāve had in the pass 2 kickers L7 also 2 12 JL ās Iāve own plenty of 12 inch speakers with plenty of cheater amps Iāve Ben around the block as Iāve right now I still have a few cheater amps put away i still have 1 kicker ZR1000 and a ZR600 also a few ADS amps ..I own a Audi b8.5 I didnāt want to put 2 12ās in my trunk this time I wanted to upgrade the factory 10 inch subwoofer and a separate amp just for the 10 inch sub.. so I bought this 10 inch and I installed it where the factory sub was on the back top wow it almost didnāt fit I didnāt realize it was tall but it did.. I also sealed everything back there I used my alpine cheater amp as itās only one Chanel And small amp itās pushing 700 watts perfect for the speaker..the speaker i got was 10K9D4 4ohms wired to 2 ohms . this set up sounds nice it hits very low I have to say am impressed how it sounds.. some of my friends that have 2 12ās in there trunk couldnāt believe I was pushing 1 10 inch.. anyone reading this that donāt know to much about stereo systems keep in mind that a good brand amp comes a long way and keep in mind I have 4 cheater amps one of my amps is a true rms 1000 watt and I didnāt install that because itās only 1 10 inch subwoofer and the most Iāll give this speaker is 600 to 700 watts Without blowing the speaker and trust me thatās plenty for one 10 inch this setup hits good in every music I throw at it ..I never owned 10 inch speakers I always went with 2 12inch ..now if I bought 2 of these speakers then I would of used my ZR600 cheater amp I still wouldnāt use the ZR1000 I would only use my ZR1000 if I had two 12ās my point is u donāt need to use a kicker ZR1000 cheater amp on 1 10 inch subwoofer u will blow this speaker ..I donāt understand y companies say 3000 watts on a speaker when true rms is 600 watts it confuses the newbies.. hope this helps someone That doesnāt know to much ..agin for the price of this speaker u can beat it ..I went with speaker because I didnāt want a box in my trunk o I forgot to mention I had a 10 inch kicker 8 ohm speaker with the factor amp before I installed my alpine cheater amp and this monster subwoofer ..5 stars for this speaker good price and well built speaker and very very fast shipping Update 2021 I ended up buying a second one these speakers with a good amp pounds I only had 1 at first I replaced the factory 10 inch to this speaker and I sounds like I have 2 12 inch subs in my car every one that hears it canāt believe the setup I have it hits nice I bought a nother one thatās how good these speakers are I have no complaint I canāt believe how well made these speakers are for the price . And the package is very well packaged for delivery..
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Reviewed in the United States on May 20, 2020 by Kiko33
Style: 10ā K9 Series 2 Ohm
Greatest speakers I've bought for the price. I've tried multiple 10 inch subwoofers and nothing compared. Had skar and wdx and both blew on 2500 Brutus Hifonics. Well I didn't blow the skar but it was popping on the way towards blowing
Reviewed in the United States on January 31, 2026 by Anthony durham
Style: 10ā K9 Series 2 Ohm
Good sound for the price range
Reviewed in the United States on November 26, 2025 by Matthew C.
Style: 10ā K9 Series 2 Ohm
Great for the price! Build a good box and you can make anything sound good.
Reviewed in the United States on November 6, 2025 by Fair Dad
Style: 10ā K9 Series 2 Ohm
The subwoofer is by far the best sub I have ever paid for a dollar for dollar the sound the bass everything was perfect only lasts me about a year pushing 2,000 W through it every single day until the voice coil literally melted I cracked and split two speaker boxes with this speaker
Reviewed in the United States on February 20, 2026 by ryan hilscher
Style: 10ā K9 Series 2 Ohm
This subwoofer (10" K9 series) has truly blown me away! I usually dont write reviews but I wanted to add some clarity to the product reviews. I kept reading reviews like "Best cheap subwoofer out there" which didn't give me a good understanding of this sub. So far in the last few years I started with a 10" sub with a box from auto zone which was weak and distorted at high volume. Then I switched to a pyle 12" and after I blew that I got a kicker comp series 12" all of which were cheaper than this sub by a fair amount. The kicker was a very good sub IF you want outrageous amounts of bass. What I mean by that is that the bass would constantly overtop the treble. I like bass but it should be balanced out with the music. This K9 series I went with the 10" to try to fix that issue and it certainly did. The bass this sub produces is very clean and crisp. When I listen to rap it can still shake the hell out of the car, but it can also do those quick kicks to the chest. So overall the performance is outstanding. I believe the people that are saying this is the best cheap sub are refering to the quality of the sound it produces which cannot be replicated by cheaper subs. The build quality of this sub is also outstanding, it is a truly heavy duty sub.
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Reviewed in the United States on August 1, 2019 by Danny
Style: 10ā K9 Series 4 Ohm
Bought the 10" K9D4 3200 w max sub. and have it with a MB Quartz 1500 watt mono amp. Bumps lovely but sometimes depending on the song it will clip the amp. So I have to pull over, pop the trunk and reset the amp in the middle of traffic ( and look like a cornball ) then lower the volume a notch or two depending if the song has long deep bass on it.....then I got to keep it on 22 volume level, can't roll it up to 25 where I like it. So all the mirror shake and rattle and sometimes the trunk just pops open in the middle of the freeway going 90mph because of the banging of the dual K9 box. Love it! Got to get me a MB Quartz 2000 watt amp to try that set up. Maybe no clipping there. I just like the bass control level all the way up. I'm an all balls to the wall kind-a-guy. Rockville amps are too expensive right now for me but maybe by the end of the year Ol' Saint Nick can hook it up! I guess depends if I'm mistah Nice guy Aah! and grease him with a box of Chips-a-hoy....that fat old bearded guy HoHoHo!
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Reviewed in the United States on March 3, 2023 by E-man
Style: 10ā K9 Series 4 Ohm
I mounted this subwoofer in a waterproof ported enclosure so I can remove it out of my boat. I have always wanted a great sound in my boat, this definitely hit the bullseye. I did the enclosure because I do not always need the subwoofer in my boat so I can remove it when I don't need it. I was worried this thing wouldn't sound that great.......I was sooooo wrong this thing bumps like no bodies business. I hooked it up to a Rockville RXM-S6 amp and this thing pushes it great and I have other channels for the rest of my speakers. You guys have my vote and so far many of my friends who have heard the system will become customers as well. My head unit is the Rockville RGHR2 love the set up. I have a set of 8" rockville marine speakers and 2 sets of 6.5" polks. great sound for the money. GET YA'LL SOME!!
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Reviewed in the United States on April 24, 2023 by Jeffery scarbrough