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Definitive Technology® Disappearing™ 8" Round In-Wall / In-Ceiling Loudspeaker-DI 8R

Model #: DI 8R
Definitive Technology
At a Glance

Clarity and performance are foremost in the nearly invisible Definitive Technology Disappearing™ Series. The low-profile design puts the DI 8R in-ceiling speaker above the rest, delivering audio with clearly superior sonic presentation and even dispersion. The specially-engineered design casts sound over a wider area, giving listeners a more balanced and natural audio experience.

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DI 8R Disappearing™ Round In-Wall / In-Ceiling Loudspeaker

  • White Finish
  • Powerful sound comes to life with an 8" BDSS™ bass/mid and 1" pivoting pure aluminum dome tweeter
  • Flangeless design, micro-perf grille and flush mounting allow a discreet 9.75" total visible diameter
  • Rigid PolyStone™ baskets eliminate unwanted vibrations to prevent ringing and minimize distortion
  • Axially Aligned design for broader sound dispersion and more natural balance

Balanced Double Surround System

Proprietary BDSS™ technology delivers the wide dynamic range and deep bass output of much larger drivers in a small-sized, high-efficiency mid/woofer.

Pure Aluminum

The pivoting pure aluminum dome tweeter features a uniquely constructed housing, eliminating diffraction distortions typical with traditional speakers for spectacular audio performance.

Balanced Dispersion

BDSS™ technology, aim-ready tweeters and a specially-contoured AeroRing™ around the driver distributes natural, well-balanced sound everywhere in the room.

Adjustable Crossover

A sophisticated adjustable crossover network with custom, high-precision components produces superior sonic purity for crisp, clean sound.



Sensitivity90 dB
Sold AsEach
Depth3.88" (9.86 cm)
Weight4.8 lbs (2.18 kg)
Grille Dimensions9.75" (24.77 cm) diameter
Shipping Carton6.25" (15.88 cm) h x 11.44" (29.06 cm) w x 11.44" (29.06 cm) d - 7 lbs (3.18 kg)

Driver Complement

Pivoting Dome Tweeter - Tweeter(1) 1" (2.54 cm) d (Round) Pivoting Dome Tweeter - Tweeter
BDSS Bass/Mid - Mid/Woofer(1) 8" (20.32 cm) d (Round) BDSS Bass/Mid - Mid/Woofer

In-Wall Mount

Dimensions8.75" (22.23 cm) diameter

In-Ceiling Mount

Dimensions8.75" (22.23 cm) diameter


Speaker Inputs(1) Pair of Heavy Duty, Spring Loaded - na

Audio Quality

Total Frequency Response26 Hz to 30 Hz
Nominal Impedance8 ohms
Max Sensitivity (1 watt @ 1 meter)90 dB


Peak Power Handling225 watts
A/V Receiver Crossover SettingsSmall (40 Hz)


Cabinet Warranty5 Years
Drivers Warranty5 Years

Included Accessories

Wall Mounting Template1
Paintable Magnetic Grille1

Misc. Specs

Product Weight4.8
Impedance8 ohms
Number of Speakers1
Depth (in.)3.88
Height (in.)8.75
WarningProposition 65 Warning for California Residents