Definitive Technology Demand D9 High-Performance Bookshelf Speakers – Pair


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Definitive Technology Demand D9 high-performance bookshelf speakers deliver full-range, room-filling sound and precise imaging in a modern, elegant styling. Featuring technology advancements to both our aluminum dome tweeter and midrange/woofer sections, each speaker delivers an unrivaled sweet spot, smoother high-frequency reproduction, and three-dimensional imaging for the most technically-advanced, premium bookshelf listening experience.




Included Accessories (2) Acoustically transparent black magnetic grilles
Cabinet Warranty 5 years
Drivers Warranty 5 years
Driver Enclosure Type MDF cabinet with extruded natural bead-blasted aluminum front baffle
Driver Complement (1)  5.25″ (13.34 cm) d (Round) Polypropylene BDSS Bass – Mid/Woofer
(1)  1″ (2.54 cm) d (Round) Annealed Aluminum Dome and Laterally Offset – Tweeter
(1)  5″ (12.7 cm) h x 9″ (22.86 cm) w (Oval) Passive – Bass Radiator
Total Frequency Response 44 Hz → 24 Hz
Nominal Impedance 8 ohms
Sensitivity (1 watt @ 1 meter) 88 dB
Lower and Upper -3dB Limits 64 Hz → 22 Hz
Mounting Type 1/4 in – 20 Threaded Insert
Mounting Location Back of Speakers
Recommended Amplifier Power Per Channel 20 watts → 150 watts
A/V Receiver Crossover Settings Small (80 Hz)


Optional Demand ST1 Speaker Stands

ST1 Speaker Stands
ST1 Speaker Stands

ST1 bookshelf speaker stands are the perfect accessory for your Demand Series D9 and D11 bookshelf speakers. The elongated steel stand, MDF base plate and rubber speaker pads all combine to provide a solid and stable speaker foundation, ensuring the cleanest, most precise listening experience in everything you hear.


Key Features:

  • Total Pieces: 2
  • Included Accessories: (4) Metal Carpet Spikes
    (4) Metal Carpet Spike Rubber Caps
  • Orientation: Vertical
  • Materials: Steel Post , Aluminum Collar , MDF Base
  • Large Mass Fill Space for Solid and Stable Speaker Foundation: Fill each stand with sand or other dry material (.1 cubic ft per stand)
  • Compatibility: Demand D11 and D9 Bookshelf Speakers
  • Assembly Required?: Yes

Additional information

Dimensions 11.97 × 6.5 × 11.71 in


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