Rockville Rock Shaker 8" Black Powered Home Theater Subwoofer, 400W Peak/200W RMS, Class D, 20Hz-200Hz
Rockville Rock Shaker 8" Black Powered Home Theater Subwoofer, 400W Peak/200W RMS, Class D, 20Hz-200Hz
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Rockville

Rockville Rock Shaker 8" Black Powered Home Theater Subwoofer, 400W Peak/200W RMS, Class D, 20Hz-200Hz

|19 ratings

Key item features

  • Powerful Performance: Provides 400W peak (200W RMS) output from its integrated Class D amplifier, offering a wide 20 Hz - 200 Hz frequency response for impactful low-end sound.
  • Quality Driver: Features an 8-inch paper cone woofer with a durable foam surround, a Y30-grade magnet, and a 1.5-inch 4-layer voice coil for accurate bass reproduction.
  • Durable Cabinet: Encased in an MDF cabinet with a vinyl covering, fire-resistant poly-cotton fill, a detachable foam grille, and a rear-firing port to optimize bass reflection.
  • Flexible Integration: Offers RCA line input/output and high-level speaker inputs/outputs, ensuring broad compatibility with various home theater and studio audio systems.
  • Customizable Sound: Rear-panel controls allow precise adjustments for volume, crossover frequency, and 0°-180° phase, plus a power switch for personalized audio.
  • Compact Dimensions: This black 8-inch subwoofer measures 11.8" x 13.8" x 15", weighs 18 lbs, and operates on 110-240V power with an included IEC cable.
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Specs

Home speaker & subwoofer type, SubwoofersRecommended location, IndoorBrand, RockvilleColor, BlackWireless, NRms power rating, 200 W

About this item

Product details

The Rockville Rock Shaker 8" is a powered home theater subwoofer in a Black finish, rated at 400W peak and 200W RMS. Its built-in Class D amplifier is matched to the 4-ohm woofer for low-frequency reinforcement in home theater and studio systems. The specified frequency response is 20 Hz - 200 Hz.

The MDF enclosure uses a vinyl covering, internal fire-resistant poly-cotton damping, and a detachable foam grille. The paper-cone woofer has a foam surround, Y30-grade magnet, and 1.5" 4-layer voice coil. A rear-firing port supports low-frequency reflection into the listening space.

Connection options include RCA line input and output plus high-level speaker input and output. Rear-panel controls include volume, crossover frequency, 0°-180° phase, and power. The unit accepts 110-240V power and includes an IEC cable; dimensions are 11.8" x 13.8" x 15", and unit weight is 18 lb.
  • Powered Output: 400W peak and 200W RMS output with an integrated Class D amplifier.
  • Audio Specs: 20 Hz - 200 Hz, 4-ohm impedance, 85 dB S/N, 88dB +/- 2dB sensitivity, and <1% THD.
  • Woofer Construction: Paper cone, foam surround, Y30-grade magnet, and 1.5" 4-layer voice coil.
  • MDF Enclosure: MDF cabinet with vinyl covering and internal air space matched to the woofer.
  • Rear-Firing Port: Port placement supports low-frequency reflection into the listening space.
  • Cabinet Details: Fire-resistant poly-cotton fill and a detachable foam grille complete the enclosure.
  • Line Connections: RCA line input and output connect with compatible audio components.
  • Speaker-Level I/O: High-level speaker inputs and outputs provide an alternate system connection path.
  • Adjustable Controls: Rear-panel volume, crossover, 0°-180° phase, and power switch.
  • Power and Size: 110-240V operation with IEC cable; 11.8" x 13.8" x 15", 18 lb, Black finish.
  • Shipping Dimensions in Inches: (WxHxD): 14.6in x 18.3in x 18.9in.
  • Unit Weight: 18 LBS.
  • Shipping Weight: 22 LBS.
  • Color: Black.
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Specifications

Home speaker & subwoofer type

Subwoofers

Recommended location

Indoor

Brand

Rockville

Color

Black

Warranty

Warranty information

1 YEAR, Manufacturer

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.8 out of 5 stars
stars
19 ratings9 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars84% (16)
  2. 4 stars11% (2)
  3. 3 stars5% (1)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 9 reviews

Jun 12, 2026
Reviewer name: Chris
Sold and shipped byAudiosavings
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

work great

Helpful?6TN0ZEC6MYJS986021275
Oct 28, 2025
Reviewer name: Nieves
Walmart Associate
Sold and shipped byAudiosavings
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Have always used 12" subs. Going from that to an 8", i was initially skeptical. I'm using this sub in a small work shop and can't believe the chest pounding sound it creates! 100% sarisfied with the performance.

Helpful?6TN0ZEC6MYJS986021275
Dec 27, 2024
Reviewer name: damion
Sold and shipped byAudiosavings
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Best bang for the buck

Multiple inputs and outputs, amazing sound, great controls. Big power for a small price.

Helpful?6TN0ZEC6MYJS986021275
Current price is $134.95
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Sold and shipped by Audiosavings
4.30548690064261 out of 5 stars
4.3 stars out of 5, based on 2023 seller reviews(4.3)
Extended holiday returns
Free Holiday returns until Jan 31