Definitive Technology Di 4.5R (Ea.) 4.5-inch Round In-Ceiling Speaker



Definitive Technology

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Details & Highlights

Product Highlights

    Introducing an entirely new line of flush-mount in-ceiling/in-wall loudspeakers a?? Definitivea??s Disappearing™ In-Wall series. All models feature near-invisibility thanks to their small diameters, hidden flange design, and low profile micro-perf grilles. They are as easy to install as traditional flanged flush-mount speakers, and dona??t require custom sheetrock/spackle skills to install and look practically invisible.

Details from Definitive Technology

    Disappearing In-Walls Advanced Technology
    The Disappearing In-Wall models feature Definitivea??s most advanced technologies such as BDSS drivers and pivoting Pure Aluminum dome tweeters for spectacular audio performance far beyond traditional flush-mount speakers. Definitivea??s exclusive Balanced Dual Surround System (BDSS) driver technology permits these new flush mounts to deliver more bass output and dynamic range than larger drivers. With a pivoting 1" Pure Aluminum dome tweeter featuring a specially shaped housing that avoids the diffraction distortions of traditional post-mounted tweeters, and a sophisticated adjustable crossover network, the Disappearing In-Wall models deliver the kind of lifelike sonic performance and broad even dispersion that have made Definitive Technology the most highly reviewed speaker brand in the USA. Fire-rated pre-construction enclosures will be available as options, allowing integrators, architects and designers to specify Disappearing In-Wall Speakers in multi-family and commercial applications.


Features & Specs

Manufacturer's Warranty
    5 Year Limited
Detailed Specifications
  • Model: DI 4.5R

  • Configuration: Two-way round

  • Driver Complement: 4-1/2" mid-woofer, 1" pivoting dome tweeter

  • Grille Dimensions: 5.3" diameter


Included Coverage from Definitive Technology: 5 Year Limited

Category ID: 62 | $219.00
219.00 In stock