Martin Logan Dynamo IW O In Wall Subwoofer and MP500 Amplifier Bundles

Martin Logan Dynamo IW O In Wall Subwoofer and MP500 Amplifier Bundles

Marsoni

M251S

$899.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Martin Logan Dynamo IW O In Wall Subwoofer and MP500 Amplifier BundlesWhats the difference between Dynamo IW O and IW S? The Dynamo IW O uses the same retrofittable size, and dual 8 woofer configuration as the IW S, but with an open back design instead of a sealed, fire rated enclosure. The open back of Dynamo IW O means more sound will transfer into the wall (which could cause some noise complaints from other rooms), but with the tradeoff of deeper bass extension and higher output potential than IW S. IW O also has an

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The cart is super-sturdy, easy to assemble, and looks surprisingly nice. You would think that the “wood” (the rustic oak) on this cart would look hideous, but it’s not - and it looks good with the black metal. Just make sure you have your own tools, like a screw driver with a 4 mm hex bit or an impact driver or screw driver with a 4 mm hex bit; it would take way too long with the supplied hex wrench, which although a good quality, is just too slow to use.)

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Reviewed in the United States on November 22, 2025

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Tom

Lake Worth, US

★★★★★ 5

Perfect

Style: Vintage Oak, Size: 14.17"D x 37.01"W x 35.24"H

Went together well Looks great

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Reviewed in the United States on May 4, 2026

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Charles T.

Lexington, US

★★★★★ 5

Recommended

The directions to build it were clear, and it was simple to put together alone. The wood and metal are good quality and the 3 shelves provide a lot of storage. I have no complaints.

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Reviewed in the United States on March 11, 2026

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Michelle bullard

Alexandria, US

★★★★★ 5

Stable and easy to assemble

I used these to support a heavy piece of countertop would to create a side table. Looks great and holds steady.

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Reviewed in the United States on February 15, 2023

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Charles Clerici