Definitive Technology Dymension DM40 Bipolar floor-standing speaker

Product highlights:

Bipolar driver array:

• fully balanced design — two identical sets of drivers for the front and rear:
  • 1" aluminum oxide dome tweeter with Teteron (cloth) suspension for smooth, extended highs
  • dual 4-1/2" mid/bass drivers
• back-panel switch lets you set rear-firing drivers for "balanced" or "forward-focused" sound profile

Specs:

• frequency response: 55-23,000 Hz (-3dB)
• recommended amplifier power: 50-250 watts
• sensitivity: 87 dB
• impedance: 4 ohms

Other info:

• cloth grille-wrapped enclosure
• adjustable speaker feet include spikes and pads for a range of flooring surfaces
• 5-way binding post connectors
• dimensions (measured by Crutchfield): 10-5/16"W x 37-7/16"H x 10-1/16"D
• 38.1 lbs.
• warranty: 5 years
• MFR # 300567-01-00-005