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Rockville RW8CA 8" 600 Watt Under-Seat Slim Amplified Car Subwoofer +Wire Kit

4.4 out of 5 stars 249 ratings

Currently unavailable.

We don't know when or if this item will be back in stock.
Brand Rockville
Color Black
Connectivity Technology RCA

Customer Questions & Answers

Product Description

Package Includes:

  • (1) Rockville RW8CA 8” 600 Watt Powered Under-Seat Car Subwoofer
  • (1) Rockville RWK10 10 Gauge Amp Installation Kit ANL Fuse Holder 100% Copper RCA


Description of RW8CA:

The RW8CA is an all in one solution to give you great sounding bass in your vehicle without taking up a ton of space. This sub enclosure is only 2.7" thick so that it can easily fit under your seat. The amplifier is built in, so installation and wiring is easy and clean.

We wanted to truly make installation a breeze so we designed this unit with the user in mind from start to finish. We added high level inputs so you don't need a remote wire from your receiver to trigger the unit on and off. The smart circuit will sense that an audio signal is present and turn on your radio and a signal is present. When you turn off your music signal the amplifier built into this subwoofer system will automatically turn itself off. Using the high level input is also the fastest and easiest way to install an aftermarket amp subwoofer combination since you do not have to remove the receiver. You simply use the high level input and wire it to one of your speakers. Another thing we did to make installation a breeze is we put all the inputs and outputs on one side. This makes wiring neater and easier. Our competitors models are more challenging to install.

The RW8CA has 600 watts of peak power and 150 watts RMS. This model is CEA-2006 compliant which means the ratings are approved by a 3rd party so you can be 100% sure that this item will produce the power it says it will. This is one of the only slim underseat subs on the market that is CEA compliant. Do not get fooled by other brands who write bogus power ratings that do not comply with any industry standard. Even if another unit says 2000 watts on it, ours is better and louder. If you are not happy with any Rockville product we will take it back within 30 days of when you receive it and refund you. We know our our products will satisfy you.

This has amazing controls so you can tweak the sound to your liking. It has a level control for the volume, a subsonic filter to filter out the really low frequencies that the human ear can not hear. This also has a low pass crossover filter, phase control, and bass boost.

Included is a remote bass knob, and mounting hardware.


  • Rockville RW8CA 600 Watt 8” Active Sealed Slim Car Subwoofer
  • 600 Watts Peak Power / 150 Watts RMS
  • PWM MOSFET Power Supply
  • Low Level RCA Input
  • High Level Inputs with Auto Turn-On Technology
  • Adjustable Input Sensitivity
  • Soft Delayed Remote Turn-On
  • Thermal Protection Circuit, Short Protection Circuit
  • Overload Protection Circuit
  • Phase Switch: 0° or 180°
  • Low Pass Filter: 50Hz - 150Hz
  • Bass Boost: 0 - 18dB @ 45Hz
  • Subwoofer Level Remote Control
  • Built in Subsonic Filter @ 29Hz
  • Power Output: 150 Watts RMS Monoblock at 2 Ohms and 1% THD+N
  • Signal to Noise Ratio: 95 dB
  • Dynamic Power: 600 Watts @ 2 Ohms
  • Dimensions: 12.4 x 11 x 2.7 (L x W X H) Inches
  • Frequency Response: 20Hz - 150Hz
  • Sensitivity: 100dB @ 1w / 1m

Features of RWK10:

  • Rockville RWK10 10 Gauge 2 Channel Car Amplifier Wiring Installation Kit
  • (1) 17 High Grade Twisted Pair of 100% Copper RCA Cable
  • 17' 10 Gauge Translucent Blue SuperFlex Power Cables
  • 17 18 Gauge Blue Remote Cable
  • 17 16 Gauge Clear Speaker Wire
  • 3' 10 Gauge Clear SuperFlex Ground Wire
  • Gold Plated AGU Heat Resistant Fuse Holder
  • 40 Amp ATU Inline Fuse
  • 7 Split Tube Loom
  • Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets
  • Soft abrasion proof insulating jacket allows for 100% improved flexibility
  • PVC outer jacket can with-stand an extreme temperature range of -40 to 220 degrees F

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
249 global ratings

Top reviews from the United States

Reviewed in the United States on March 24, 2019
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5.0 out of 5 stars Great Add to Sound Quality
By MLB on March 24, 2019
Bought this Rockville Sub to augment a component Polk speaker system for my MGB. Space is at a premium in this little car so was hoping to put the unit under the seat. Must have read the measurements wrong online because there was no way it was going to fit. Also determined after the fact that directions suggest 4" of clearance around the unit. Suggest you measure your space carefully - while this thing is compact, it's still pretty big for any car.
Regardless, found another home for it, but had to build my own mounting brackets. The ones that came with the unit added another 1.5" to the dimensions and I just didn't have the room to spare. That would be my one complaint. The unit could have offered a more flexible mounting system, e.g. different orientations and screw holes for the brackets. Wiring was straight forward though and the kit that came with it furnished everything you need.
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11 people found this helpful
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Reviewed in the United States on August 20, 2018
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9 people found this helpful
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Reviewed in the United States on November 12, 2019
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4 people found this helpful
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Reviewed in the United States on August 16, 2018
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1.0 out of 5 stars Bad instructions, bad wiring, Only try buying with Prime
By Allan Roy on August 16, 2018
Wired incorrectly internally, instructions wrong and vague and the high level auto power did not work. I purchased this because it seemed like good value and was everything I wanted. After receiving it I tested it and found that I could only get audio outout when using the central ground, not the designated - inputs on the intructions. I returned as a faulty product and I got the RMA quickly, but the return intructions we're very decieving and implied that return shipping was paid for, but I ended up paying almost half the value of the product to return the faulty sub/amp. I also had to buy additional battery hook-ups on top of the amp install kit and I have a Civic so i highly doubt it will fit in anything else. If you are going to try buying this product, buy it through prime. Customer service sent me the same copied and pasted email twice with a "return lable" and then told me I should have contacted them prior to shipping.
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8 people found this helpful
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Reviewed in the United States on July 6, 2018
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7 people found this helpful
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