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Video: RSL Speedwoofer 12S Subwoofer Review

A big 12-inch subwoofer for a little price. Find out why the RSL Speedwoofer 12S may be impossible to beat at its $799 price point.

The RSL Speakers 10-inch Speedwoofer 10S is our benchmark for an affordable subwoofer priced below $450. Their first 12-inch subwoofer, the Speedwoofer 12S which retails for $799 is a very different beast for a number of reasons.

It’s bigger, a lot bigger!

RSL Speedwoofer 10S vs. 12S Subwoofers Front Angle No Grille
RSL Speedwoofer 10S MK II (left) vs. Speedwoofer 12S (right)

Although the subwoofer driver is only two inches larger in diameter, the cabinet volume is 2.6 times larger, and the overall weight nearly doubles to a rather hefty 82 pounds.

Ealan Osborne reviews this behemoth and breaks down why it should be your next budget subwoofer purchase, even compared to the wildly popular SVS PB-1000 Pro.

RSL claims that the Speedwoofer 12S offers the performance of a 15-inch subwoofer, the accuracy of a 12-inch subwoofer, at the price of a 10-inch subwoofer.

We usually take such marketing claims with a huge grain of salt, but our testing confirms that the Speedwoofer 12S delivers on all three promises.

However, there are some reasons why you might want to consider the smaller RSL Speedwoofer 10S. For example, why buy just one sub, when you could get two for slightly more than the price of the 12S?

Watch the full video on YouTube or click play above.

Where to buy: The RSL Speedwoofer 12S is available for pre-order beginning April 12, 2023 at noon Pacific for $799 at

We have a feeling these are going to sell out fast.

RSL Speakers Speedwoofer 12S Subwoofer Front Angle No Grille with Remote Control
RSL Speakers Speedwoofer 12S Subwoofer Rear Angle
RSL Speedwoofer 10S vs. 12S Subwoofer Dimensions
(Left) Speedwoofer 10S: H: 15 1/2” W: 15” D: 15 3/4” (48 lbs)
(Right) Speedwoofer 12S: H: 22 1/4” W: 18 7/8” D: 22 1/8” (82 lbs)

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