Definitive Technology DI5.5BPS 5.25" 2-Way Bipolar In-Wall Speaker - 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 5.5 BPS 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 Technology DI5.5BPS 5.25" 2-Way Bipolar In-Wall Speaker - Each

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SKU DI5.5BPS Categories ,


Tweeter x 2 Diameter 1″
Type  Pivoting Pure Aluminum Dome
Mid / Woofer x 2 Diameter 5-1/4″
Type  BDSS Midrange Driver
Tweeter/Mid Array Direct Radiating 2 Way Coaxial
Maximum Sensitivity 1 watt @ 1 Meter 89 dB
Total Frequency Response Overall 28 Hz – 30 kHz
Nominal Impedance Compatible with 8 ohm
Crossover A/V Receiver Crossover Setting Small (120 Hz)
Power Handling  10 – 225 watts per channel
Cut Out Dimensions Diameter 12-5/84″
Mounting Depth  3-7/8″
Grille Dimensions 12-5/8″ x 7-3/4″


Definitive Technology

Additional information

Weight 11 lbs
Dimensions 11 × 11 × 11 in



Aimable / Pivotable, Discreet / Flangeless

Speaker Placement

Rear / Surround

Pole Position


Woofer Size



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