Martin logan dynamo foundation powerful. compact. precise.
MartinLogan® Dynamo™ Foundation® Subwoofers are carefully engineered for superior audio quality, integrating advanced technology with sophisticated design to help provide incredible home entertainment experiences, at an exceptional value.

Seamlessly Integrating High-Performance.Audio with Elegant Design
MartinLogan® subwoofers are uniquely engineered to complement the exotic thin-film technologies utilized in MartinLogan® loudspeakers. Emphasizing high performance and decor-friendly aesthetics, MartinLogan® subwoofers expertly blend audiophile musicality and theatricality with dynamic output and accuracy in a compact design.

High-Performance, Low-Distortion Bass at an Exceptional Value
Dynamo™ Foundation® subwoofers feature custom-designed and tuned Ultra-Rigid Polypropylene (URP) woofers. Utilizing the same state-of-the-art Klippel analysis as MartinLogan’s more premium woofers, these proprietary drivers are specially engineered to provide high output and low distortion at an exceptional value, while embodying every bit of MartinLogan® quality.

High-Impact Magnitude® Amplifiers
MartinLogan’s proprietary Magnitude® Amplifiers unleash the full potential of the custom-engineered Dynamo™ Foundation® woofers. The Magnitude® MT-400 delivers up to 400W Peak (200W RMS), while the Magnitude® MT-700 delivers up to 700W Peak (350W RMS) of clean power for incredible impact and effortless musicality. The ultra-efficient Class-D MT-400 and MT-700 deliver commanding bass with the utmost precision and control, providing an immersive experience regardless of the content.

Seamless Integration with Grille-Less Down-Firing Design
Dynamo™ Foundation® subwoofers use a down-firing design, resulting in a clean, grille-less aesthetic to seamlessly blend into a variety of decors.

Versatile Connectivity with LFE and Stereo RCA Inputs
Dynamo™ Foundation® subwoofers feature an LFE input for a simplistic home theatre setup, as well as Stereo RCA inputs for flexible installation options with a variety of audio equipment.

Advanced DSP Engine Ensures Distortion-Free, High-Fidelity Audio
Dynamo™ Foundation® subwoofers utilize a high-resolution 200MHz DSP engine with 56-bit processing, a performance enhancement rarely found in this class of subwoofers. This level of computing power ensures that audio processing is completely free of distortion or artifacts, allowing MartinLogan® engineers to enhance its capabilities for maximum output and fidelity.

Effortless Wireless Connectivity
Enhance your audio setup with the optional WSK-1 Wireless Subwoofer Kit (sold separately). This easy-to install accessory allows Dynamo™ Foundation® subwoofers to connect wirelessly to your audio system, eliminating the need for cumbersome cables. Experience the same high-quality sound performance without the clutter, and enjoy the freedom to place your subwoofer anywhere in the room for optimal performance. With the WSK-1 Wireless Subwoofer Kit, achieving a clean, sleek, and powerful home theater experience has never been easier. WSK-1 is also compatible with any powered subwoofer with an RCA input.

Uncompromising Bass
Designed to complement MartinLogan® Motion® Foundation® Series systems and other brands, offering high-performance, low-distortion bass at a remarkable value.