The Dymension DM40 fills your home theater with larger-than-life sound. Crystal clear highs, incredible depth-of-field, and robust bass envelop you whether you’re enjoying the latest blockbuster film or your favorite songs. Innovations include aluminum oxide tweeters, an adjustable bipolar array, and an acoustically optimized enclosure.

Bipolar driver arrays direct more sound in more directions than traditional speakers, for incredible depth-of-field and a truly enveloping listening experience. Adjustable to optimize for room placement.

DM40’s four 4.5" woofers feature composite polymer cones that produce superior midrange detail. Long-throw surrounds optimize driver excursion for improved low-end performance.

A tuned cabinet features acoustically optimized chambers for improved bass extension and midrange clarity.

New driver designs provide smooth extended response with crisp transients, exceptional definition, and pinpoint-precise imaging, for incredible clarity and lifelike realism.

The DM40’s slim footprint makes it easy to integrate into virtually any room setting. And, it looks as good as it sounds.

Bring the thrills of the movie-theater experience home with stunning sound enveloping you from every angle, transporting you inside every scene and song.

Get swept away by the action onscreen as you’re enveloped in a deep, defined soundstage. From a whisper to a roar, experience it all in striking realism.

Fully balanced bipolar arrays fill the entire room with enveloping sound. Your speakers seem to vanish as you hone in on every voice and pinpoint every instrument—just like being there, live.

Whether you’re fighting evil or exploring new universes, unlock the ultimate experience when you hear sonic details in dazzling new dimensionality.

Available separately, this Atmos- and DTS:X-compatible, wall-mountable surround speaker extends sound above you, for total sonic immersion with hyper-realistic overhead effects.

Consistent sound across other Definitive Technology series gives you the flexibility to mix and match Dymension™ and all Definitive Technology in-wall and in-ceiling speakers to design your dream home theater and whole-home system.

Included cabinet foot spikes and pads provide the ideal way to place and level DM40 speakers on virtually any floor surface, providing acoustic isolation and stability.

• Frequency Response: 38 Hz - 30 kHz (-10 dB), 55 Hz - 23 kHz (-3 dB)
• Nominal Impedance: 4 Ω (8 Ω compatible)
• Sensitivity (2.83V/1m): 87 dB
• Recommended Amplifier Power Rating: 50 - 250 W
• Tweeter: 2x 1" aluminum oxide domes
• Midrange/Midbass: 4x 4½" woofers
• Bipolar Array: Fully balanced, adjustable
• Bipolar Array Adjustment: Rear tweeter switch: 0 dB, -6 dB
• Grille Material: Acoustically transparent black cloth (not removable)
• Enclosure Type: Ported