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Definitive Technology Disappearing Series 3.5" White In-Wall/In-Ceiling Speaker - UEQA

Abt Model: DI35R | UPC Code: 093207063732
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Product Details

Definitive Technology Disappearing Series 3.5" White In-Wall/In-Ceiling Speaker - DI35R

Powerful performance is practically invisible with the Definitive Technology Disappearing™ Series. Merely 4.56" in diameter, the DI 3.5R is about the same size as most of today's mini recessed lighting fixtures. Sleek, easy-to-install and designed to vanish into any décor, this impressive little loudspeaker produces full-bodied sound that's immersive but never intrusive.

Key Features:

  • Flangeless, flush mount design and micro-perf grille allow 4.5" of visibility to match mini recessed lighting fixtures
  • Deeper sound quality with precision BDSS™ drivers and a pivoting pure aluminum dome tweeter
  • Rigid PolyStone™ baskets eliminate unwanted vibrations to prevent ringing and minimize distortion
  • Axially aligned design provides 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
  • Adjustable Crossover
    A sophisticated adjustable crossover network with custom, high-precision components produces superior sonic purity for crisp, clean sound
  • Pure Aluminum Tweeter
    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



  • Driver Complement
    • (1) 0.75" (1.91 cm) d (Round) Pivoting Dome Tweeter - Tweeter
    • (1) 3.5" (8.89 cm) d (Round) BDSS Bass/Mid - Mid/Woofer

In-Wall Mount

  • Shape: Round
  • Clearnace Required for Mounting Dogs (add to each side of cutout): 0.88" (2.24 cm)

In-Ceiling Mount

  • Shape: Round
  • Clearnace Required for Mounting Dogs (add to each side of cutout): 0.88" (2.24 cm)

Audio Quality

  • Total Frequency Response: 40 Hz → 30 kHz
  • Max Sensitivity (1 watt @ 1 meter): 89 dB


  • A/V Receiver Crossover Settings: Small (60 Hz)


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

Included Accessories

  • (1) Wall Mounting Template
  • (1) Paintable Magnetic Grille

Approximate Dimensions:

  • Depth: 3"
  • Cutout Diameter: 3.75"
  • Grille Diameter: 4.56"

Approximate Weight:

  • Shipping: 1.9 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer):
    • 5 Years For Drivers and Cabinets
    • 3 Years For Electronic Components
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Key Features
Sold As Each/ 3.5" Woofer/ One 0.75" Pivoting Dome Tweeter/ Pure Aluminum Tweeter/ Balanced Double Surround System/ Adjustable Crossover/ Balanced Dispersion/ 89 dB Max Sensitivity/ Rigid PolyStone Baskets/ Axially Aligned Design/ White Finish
More reasons to buy the Definitive Technology UEQA from Abt Electronics
  • Abt.com is an authorized dealer (Learn More).
  • The Definitive Technology UEQA is Brand New.
  • The Definitive Technology UEQA Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Speaker ShapeRound
Frequency Response40 Hz - 30 kHz
Speaker TypeIn-Ceiling / In-Wall
Tweeter Size (inches)0.75
Woofer Size (inches)3.5
Depth (inches)3
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