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Definitive Technology DI 5.5BPS Speaker (each)

$259.00 $499.00

Definitive Technology DI 5.5BPS Speaker, MSRP: $499/each

With Balanced Double Surround System (BDSS™) technology, DI 5.5BPS surround speakers deliver the bass output and dynamic range of traditional 8″ speakers. Hidden within your walls or ceiling, lifelike sonic performance and broad, even dispersion become even more impressive. While other in-wall speakers fall short on sound quality and stealth, the DI 5.5BPS sets an impossibly high standard.


  • Powerful sound performance comes through with Bipolar sound dispersion and the latest-gen BDSS™ drivers
  • Flangeless design, micro-perf grille and flush mounting minimize visibility
  • Pure aluminum dome tweeters and adjustable high-definition crossover produce pristine highs
  • Rigid PolyStone™ baskets eliminate unwanted vibrations to prevent ringing and minimize distortion

Definitive’s Disappearing In-Wall Speakers Just May be the “Holy Grail” of Built-in Speakers
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.


Driver Complement
Quantity: 2
Diameter: 1″ (2.54cm)
Type: Pivoting Coaxial Pure Aluminum Dome
Mid / Woofer
Quantity: 2
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: 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
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)
UPC: 093207063817

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