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Definitive Technology® Disappearing™ In-Wall Series Dual 5.25" Loudspeaker-DI 5.5LCR

Model #: DI 5.5LCR
Definitive Technology
At a Glance

The world famous performance of Definitive Technology speakers goes undercover with the DI 5.5 LCR. Optimized for left/center/right front stage configurations, this speaker shares the same accurate sonic signature with all other DI Series speakers for seamless performance and worry-free mixing and matching.

Available in Store Only
$499.00Save $NaN

Get to know this product.

DI 5.5LCR Disappearing™ In-Wall Series Dual 5.25" Loudspeaker

  • White Finish
  • Audiophile-grade quality with the latest generation BDSS™ drivers
  • Flangeless design, micro-perf grille and flush mounting reduce visibility
  • Pure aluminum dome tweeters and adjustable high-definition crossover produce pristine highs
  • Rigid PolyStone™ baskets eliminate vibrations to prevent ringing and other distortions

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.

Balanced Dispersion

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

Designed for Invisibility

With a minimal visible surface area, hidden flange architecture and micro-perf grille, the DI 5.5 LCR disappears into any environment, without the need for custom sheetrock or spackle work.

Adjustable Crossover

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

Useful Documents


Speaker TypeIn-Ceiling Speaker
Sold AsEach
Weight8 lbs (3.63 kg)
Grille Dimensions15.31" (38.89 cm) h x 7.38" (18.75 cm) w
Shipping Carton6.63" (16.84 cm) h x 17.38" (44.15 cm) w x 9.63" (24.46 cm) d
Shipping Weight10 lbs (4.54 kg)

Driver Complement

Tweeter - Tweeter(1) 1" (2.54 cm) d (Round) Tweeter - Tweeter
Mid/Woofer - Tweeter(2) 5.25" (13.34 cm) d (Round) Mid/Woofer - Tweeter

In-Wall Mount

Dimensions6.44" (16.36 cm) h x 14.38" (36.53 cm) w
Clearnace Required for Mounting Dogs (add to each side of cutout)1" (2.54 cm)


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

Audio Quality

Total Frequency Response28 Hz to 30 Hz
Nominal Impedance8 ohms
Max Sensitivity (1 watt @ 1 meter)89 dB


TypeA/V Receiver Crossover Settings
A/V Receiver Crossover SettingsSmall (80 Hz)


Cabinet Warranty5 Years
Drivers Warranty5 Years

Included Accessories

Wall Mounting Template1
Paintable Magnetic Grille1

Misc. Specs

Product Weight8
Impedance8 ohms
Number of Speakers1
Depth (in.)3.12
Height (in.)15.31
Width (in.)7.38
WarningProposition 65 Warning for California Residents