The M-6 is a compact, 2.5-way, floorstanding speaker. The speaker is designed around an ultralight ribbon planar tweeter and two paper-polypropylene compound bass-midrange drivers. The bass driver assists up to app. 300 Hz for added bass capability.The bass driver assists up to app. 300 Hz for added bass capability. The speaker is front ported in the bottom and is crossed over at 3.5 kHz with a second order filter.