Is the Rock Shaker 12 worth it at $199.95?

At $199.95 at Amazon as of November 3, 2026, it is a fair entry price for a 12-inch powered sub. Expect good mid-bass punch, not the deepest home theater rumble.

Does it work with a stereo receiver that has no subwoofer output?

Yes. The high-level speaker inputs let you run speaker wire from a stereo amp or receiver into the sub. You set the crossover on the sub itself.

Rockville rates it at 40 Hz–200 Hz. That covers most music and movie mid-bass, but it will not pressurize a room like a sub rated to 20–25 Hz.

What is the difference between 800W peak and 400W RMS?

RMS is the continuous power the amp can deliver; peak is a brief maximum. Plan around the 400W RMS rating when matching it to your room and speakers.

What comes in the box?

The subwoofer and power cable. You supply the RCA cable or speaker wire for the input you use.

Only one new price is listed, $199.95 at Amazon as of November 3, 2026, so there is no recent low to wait for. Check back around major sales for discounts.

Rockville Rock Shaker 12 800W Powered Home Theater Subwoofer

Q: Where is the Rockville Rock Shaker 12 800W Powered Home Theater Subwoofer cheapest?

At Amazon, for $199.95, as of our latest check.

Q: Where can I buy the Rockville Rock Shaker 12 800W Powered Home Theater Subwoofer?

2 stores we checked sell it, including Amazon, Walmart.

Best price now

$199.95at AmazonObserved Nov 3, 2026, 8:03 AM

Prices are checked against each store and labelled with when.

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Our take on the Rockville Rock Shaker 12 800W Powered Home Theater Subwoofer

The Rock Shaker 12 is a powered home theater subwoofer with a 12-inch driver and a Class D amp rated 400W RMS (800W peak). It covers 40–200 Hz, has RCA and high-level speaker inputs, and sits in a 32 lb MDF cabinet. At $199.95 at Amazon as of November 3, 2026, it is the only new price listed, so there is no recent range to compare against. It is a budget option for adding low-end punch to a movie or music setup.