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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Reviewed in the United States on July 15, 2025

Verified Purchase

trishatriedit

Charlottesville, US

★★★★★ 5

Perfect!

Style: Original

Perfect for that carry on to a sunny place!!

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Reviewed in the United States on May 18, 2026