MartinLogan Dynamo IW-O In-Wall Subwoofer with an Open Back Design

In-Wall 'Stealth' Subwoofer with Deep Bass Extension

Looking to add some bass to a system without the bulk of traditional subwoofers? The MartinLogan Dynamo IW-O is an extremely capable in-wall subwoofer, bringing legendary Dynamo performance without taking up valuable floor space. The open back design of the IW-O delivers deep bass extension and high output potential.

Dynamo IW-O gives you flexible installation options. Choose to use it in its default open wall cavity configuration and you have an affordable, easily retrofittable, high output subwoofer solution. For new construction projects (or when drywall repair isn't an issue) where sound control is desired, the optional HOBB (High Output Back Box) acoustic backbox provides a large enclosure volume to let the Dynamo IW-O stretch its legs, while providing acoustic control to reduce sound transmission through the wall.

Bass Without the Bulk

With an unobtrusive minimalist look, the Dynamo IW-O is a great way to have much of the performance of a standalone sub without the bulk. It gives you bass you'll notice, with a look you won't. It's purpose-built for high output and low distortion from a compact, retrofittable enclosure. The dual, 8" High-Excursion Carbon-Fiber-Reinforced Polypropylene woofers provide more surface area than a 10" sub for powerful, accurate bass.

More Features

The ultra-rigid stamped Steel chassis and baffles and the die-cast aluminum clamps add strength and rigidity for better bass performance, and more durable installation. The included magnetically attached grille lets you easily reveal or hide the performance whenever you like.

Premium-grade components include high-power rated resistors, capacitors, and heavy gauge wire inductors. Nickel-plated, spring-loaded binding posts feature a larger wire hole to accept higher-gauge wire or banana plugs.

The Perfect Match

MartinLogan's MDA series amplifiers have made adding bass to whole home music systems easier than ever. For these distributed audio systems, the Dynamo IW-O can easily be driven off the bridged "subwoofer output" allowing you to take advantage of the MDA's robust bass management, custom DSP profiles, and advanced ARC Genesis room correction for optimized performance in any environment.

In addition to the MartinLogan MDA series, the Dynamo IW subwoofers are compatible with the MartinLogan MP500 amplifier. The custom DSP presets optimize performance, and MartinLogan's engineers even designed options to support running dual subwoofers off a single amplifier – making it easier than ever to get powerful bass in a stealth installation.