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DM 40

DM 40

Dymension DM40 Slim Bipolar Tower Speaker

Incredible, Room-Filling Sound


Dymension™ DM40 tower speakers deliver dynamic, room-filling sound with robust bass by leveraging Definitive Technology’s signature bipolar arrays.




Dimensions (H x W x D)37.4 x 10.3 x 10.0 in. (950 x 261 x 255 mm)
Weight38.1 lbs (17.3 kg)
Grille MaterialAcoustically transparent black cloth (not removable)
Tweeter(2) 1 in. aluminum oxide domes
Midrange/Midbass(4) 4.5 in. woofers
Enclosure TypePorted
Bipolar ArrayFully balanced, adjustable
Bipolar Array AdjustmentRear tweeter switch: 0dB, -6dB
Frequency Response38 Hz–30 kHz (-10dB)
55 Hz–23 kHz (-3dB) 
Nominal Impedance4Ω (8Ω compatible)
Sensitivity87dB (2.83V/1m)
Recommended Amplifier Power Rating50-250W
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