Definitive Technology DEMAND D15


High-Performance Tower Speakers

  • 1 X 1″ Annealed Aluminum Dome and Laterally Offset.
  • 1 X 5.25″ Polypropylene BDSS Bass- Midrange.
  • 1 X 5.25″ Carbonfiber woofer – Mid/Woofer.
  • 2 X 8″ Passive – Bass Radiator.
  • Recommended amplifier Power : 40 – 300 Watts.
  • Sensitivity : 85.5dB.
  • Frequency Responds : 39Hz – 24kHz.



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The Demand D15 tower speakers deliver full-range, room-filling sound and precise imaging from a modern, minimalistic design. Fill larger rooms with detailed Hi-Fi or home theatre sound with extended, controlled bass, large dynamics and a wide, precise soundstage. The Demand Series outperforms the competition in its price-class with more performance in a smaller form factor.

Dual Passive Radiators in Bipolar Configuration

Our engineers have 30 years of accumulated knowledge in bipolar speaker configurations, now applied to the Demand Tower speakers. Dual integrated side-firing passive radiators produce extended low-frequency reproduction free of port noise, from a smaller enclosure design.

Newly Designed Carbon Fiber Woofers

Carbon fiber offers greater rigidity to the cone for deeper and cleaner bass notes, while preventing cone distortion that can occur with other less rigid materials. Carbon fiber is a strong but light material. It ensures that the woofers are able to handle higher excursion without deforming and provides deeper, clean low frequency.

BDSS™ (Balanced Double Surround System) Mid-range

The patented mid-range driver provides greater linear excursion and output that results in superior mid-range detail and punchier bass compared to drivers of similar size. A 5.25“ driver equals an 6.5“ driver of other speakers in the price range. Our patended Linear Response Waveguide improves dispersion for more natural midrange timbre and more precise imaging.

1” Aluminium Dome Tweeter with 20/20 Wave Alignment Lens™

Delivering a clear, precise high frequency response. The 20/20 Wave Alignment Lens smooths high frequencies off the tweeter for improved dispersion and a rich and balanced listening experience anywhere in your room. The unique offset tweeter assembly delivers a more precise center stereo image.

Extruded Aluminium Front, flexible placement

Clean, modern industrial design with a bead blasted finish provides a timeless look and feel that fits any décor. Three-layer baffle construction creates an inert, composite mounting structure for the drivers, minimizing cabinet colouration. Thanks to the passive radiators, speakers can be placed as close as you want to a wall, for maximum flexibility.



Piano Black


8 ohm










MDF cabinet with extruded natural bead-blasted aluminum front baffle

Frequency response

39Hz – 24kHz


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