MartinLogan – Dynamo 400 8″ 150W Ported, Compact, Powered Subwoofer – Satin Black

Upgrade your sound system with this MartinLogan Dynamo 400 subwoofer. The high-excursion 8-inch woofer and powerful amplifier provide up to 150W of clear, booming audio with a frequency response between 30Hz and 200Hz. This MartinLogan Dynamo 400 subwoofer supports both two-channel and multichannel setups thanks to its versatile input and output ports.