Definitive Technology Disappearing 5.5" In-wall Bipolar Speaker

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Definitive TechnologySKU: DT-IW-DI5.5BPS

Sale price$359.00 NZD Regular price$503.00 NZD

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Expected Delivery Times

North Island - 2-6 Working Days

South Island - 3-10 Working Days

Extraordinary High-Performance Speakers that Virtually Disappear in Your Room!

Flangeless design & micro-perf grille minimize visibility

Simple to install — no spackle work required

Bipolar sound dispersion, ideal for side or rear surround channel applications or anywhere extremely broad sound coverage is desired

Latest generation BDSS drivers for audiophile-grade sound quality

Pivoting Pure Aluminum dome tweeters

Axially Aligned design ensures broad, balanced coverage area

GaussGrip(TM) magnetic grille fasteners

Adjustable high-definition crossover

Optional fire-rated enclosures

Cast PolyStone(TM) baskets for rigidity without "ringing"

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The Ideal Surround Speaker

Many listeners have found that built-in speakers are the perfect solution for side and/or rear channel surround speakers. They take up no floor space and virtually disappear from view. We specifically designed the DI 5.5BPS for surround channel duties. You can install them in walls or ceilings for enveloping surround effects with smooth natural response and precise detail retrieval. Every sound effect and musical note will be revealed with exact accuracy while you are enveloped in a life-like bubble of sound.


Definitive's Disappearing In-Wall Speakers Just May be the "Holy Grail" of Built-in Speakers

You want great sound everywhere in your home, but you may not always have room for or want the visual intrusion of free-standing speakers. Built-in flushmount speakers seem to be the answer but in practice they don't exactly disappear in the room, in fact many "in-wall" speakers call attention to themselves and create friction between your decorator and your audiophile sensibilities. Worse yet, most built-in speakers fall short on the performance end as well. Would Definitive allow you to suffer with bad sound? Oh no, no, no!

Definitive's Disappearing® In-Wall series speakers feature near-invisibility thanks to their small area, hidden flange design, and low profile micro-perf grilles. They are as easy to install as traditional flanged flush-mount speakers, and don't require custom sheetrock/spackle skills to install yet they are practically invisible.


Definitive's Advanced Technologies Mean Better Sound for You

The Disappearing In-Wall models feature Definitive's most advanced technologies such as Balanced Dual Surround System (BDSS) mid/woofer drivers and pivoting Pure Aluminum dome tweeters for spectacular audio performance far beyond traditional flush-mount speakers.

Definitive's exclusive Balanced Dual Surround System (BDSS) driver technology permits these new flush mount speakers to deliver more bass output and dynamic range than larger drivers. For example, the DI 5.5R's two 5-1/4" drivers have the output, bass and dynamics of a 8" traditional speaker.

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.


Great Sound for Everyone in the Room

We've engineered DI Series speakers to disperse sound over a very wide area so that the sound is well-balance and natural regardless of where you are relative to the speakers. BDSS technology drivers, aimable tweeters as well as the specially countoured and textured AeroRing™ around the driver all contribute to the wide angle dispersion and superior coverage capability of the DI Series models.


Everything You Need for Installation

Optional pre-construction "rough-in" brackets with repositionable metal mesh "arms" are available for new home construction projects. Fire-rated pre-construction enclosures are available as options, allowing integrators, architects and designers to specify Disappearing In-Wall Speakers in multi-family and commercial applications.



Driver Complement

Diameter 1" (2.54cm) 
Type Pivoting Coaxial Pure Aluminum Dome 
Mid / Woofer
Diameter 5 1/4" (13.34cm) 
Type BDSS Midrange Driver 
Tweeter/Mid Array
Type Bipolar Configuration with Coaxial Tweeters 


Environmental EQ
3 Way Switch User Selectable 


Audio Inputs
Speaker Level 1 Pair (Heavy Duty Spring Loaded) 
Maximum Sensitivity
1 watt @ 1 Meter 89 dB
Total Frequency Response
Overall 28 Hz - 30 kHz 
Nominal Impedance
Compatible with 8 ohm
A/V Receiver Crossover Setting Small (60 Hz) 
Power Handling 10 - 225 watts per channel


Cut Out Dimensions
Height 12 5/8" (32.07cm) 
Width 6 13/16" (17.30cm) 
Mounting Depth 3 7/8" (9.84cm) 
Internal Clearance Required for Mounting Dogs (add to each side of Cut Out) 1" (2.54cm) 
Grille Dimensions
Height 13 5/8" (34.61cm) 
Width 7 3/4" (19.68cm) 
Horizontal Orientation In Ceiling 
Vertical Orientation In Wall or In Ceiling 
Cabinet Type
Speaker Enclosure Infinite Baffle 
Product Weight
Out of Box 8.4 lbs


Included Accessories Wall Template; Paintable Magnetic Grill 
Optional Accessories Rough-In-Kit (Available Separately) 
Carton Size
Height 6 3/4" (17.14cm) 
Width 15 9/16" (39.53cm) 
Depth 9 3/4" (24.77cm) 
Shipping Weight
One per Carton 11 lbs


Drivers and Cabinet
Parts and Labor

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