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Definitive Technology

Definitive Technology White Disappearing 4.5" In Ceiling Loudspeaker - DI 4.5R

Abt Model: DI45R | UPC Code: 093207063749
Definitive Technology - DI 4.5R - In-Ceiling Speakers
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Sold As Single/ Flangeless Design And Micro-Perf Grille/ BDSS Drivers/ Pivoting Pure Aluminum Dome Tweeters/ Axially Aligned Design/ GaussGrip Magnetic Grille Fasteners/ Adjustable High-Definition Crossover/ Cast PolyStone Baskets/ White Finish
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Your Shipping Zip Code: 20149 (change)

Estimated Delivery Date: 
Sep 25th - Sep 26th *

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Product Details

Definitive Technology White Disappearing 4.5" In Ceiling Loudspeaker, Model DI45R


  • Flangeless design & micro-perf grille minimize visibility
  • Simple to install — no spackle work required
  • 5-3/8" (13.55 cm)diameter matches mini recessed lighting fixtures
  • Latest generation BDSS drivers for audiophile-grade sound quality
  • Pivoting Pure Aluminum dome tweeters
  • Axially Aligned design ensures broad, balanced coverage area
  • GaussGrip™ magnetic grille fasteners
  • Adjustable high-definition crossover
  • Optional fire-rated enclosures
  • Cast PolyStone™ baskets for rigidity without “ringing”


  • Outer flange (grille) diameter | Metric: 5-3/8" | 13.55 cm
  • Cut out diameter | Metric: 4-1/2" | 11.5 cm
  • Depth from flange | Metric: 3-3/8" | 8.64 cm
  • Driver complement: 3/4" (20mm) pivoting aluminum dome tweeter axially aligned with a 4-1/2" (11.4 cm) BDSS bass/midrange driver
  • Frequency response: 35 Hz - 30kHz
  • Impedance: 4 - 8 Ohms
  • Sensitivity: 88 dB
  • Recommended associated amplifier power: 10 - 150 WPC
  • Inputs: One pair of gold plated heavy duty spring loaded terminals
  • Available finishes: Paintable white (see manual for painting instructions)
  • Packaging: One speaker to a carton

Approximate Weight:

  • Soundbar: 2.6 lbs
  • Shipping: 3 lbs

Warranty Information:

  • Manufacturers Warranty(authorized online retailer): 5 Years Parts and Labor
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More reasons to buy the Definitive Technology DI 4.5R from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Definitive Technology DI 4.5R is Brand New.
  • The Definitive Technology DI 4.5R Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Impedance4 - 8 Ohms
Magnetic shieldingNo
Sensitivity88 dB
Tweeter Size (inches).75"
Height (inches)5.38"
Width (inches)5.38"
Depth (inches)3.38"
Definitive Technology White Disappearing 4.5" In Ceiling Loudspeaker

Definitive Technology White Disappearing 4.5" In Ceiling Loudspeaker

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