Description

The Definitive Technology DI 6.5STR is a discreet yet powerful in-ceiling speaker that delivers immersive stereo sound from a single unit. Designed for spaces where installing two separate speakers isn’t practical-such as hallways, kitchens, bathrooms, or offices—this speaker features a 6.5″ BDSS™ midrange/woofer with dual voice coils and two pivoting 3/4″ aluminum dome tweeters for broad stereo dispersion.

With a frequency response of 26 Hz – 30,000 Hz, the DI 6.5STR offers deep bass, clear mids, and precise highs, ensuring a rich and dynamic listening experience. The speaker is rated to handle up to 125 watts per channel, with a sensitivity of 90 dB for efficient power use.

Installation is effortless, thanks to its low-profile, paintable grille and hidden flange design, allowing it to blend into any décor. The magnetic grille makes adjustments simple, and the spring-loaded speaker terminals provide a secure connection.

Ideal for whole-home audio systems, this speaker lets you enjoy room-filling stereo sound without visible hardware, making it a perfect choice for modern, minimalist spaces.

Features:

  • Stereo sound from a single unit – ideal for compact spaces

  • Disappearing™ Series design – low-profile, paintable grille with hidden flange

  • Dual aimable 3/4″ aluminum tweeters – precise, multidirectional sound

  • 6.5″ BDSS™ midrange/woofer – enhanced bass and midrange clarity

  • Wide frequency response (26 Hz – 30,000 Hz) for rich, full-range sound

  • Handles up to 125 watts per channel – powerful yet efficient

  • 8-ohm impedance for compatibility with various amplifiers

  • Magnetic grille for easy installation and seamless aesthetics

  • Spring-loaded speaker inputs for secure wiring connections

Specifications:

ParameterSpecification
Speaker TypeIn-ceiling stereo input speaker
Tweeters(2) 3/4″ (1.91 cm) pivoting aluminum dome
Woofer(1) 6.5″ (16.51 cm) BDSS™ midrange/woofer
Frequency Response26 Hz – 30,000 Hz
Nominal Impedance8 ohms
Sensitivity90 dB
Power HandlingUp to 125W per channel
Cutout Dimensions7.25″ (18.42 cm) diameter
Mounting Depth3.63″ (9.22 cm)
ShapeRound
Grille Dimensions8.31″ (21.11 cm) diameter
Audio InputsHeavy-duty, spring-loaded speaker inputs
Included AccessoriesWall mounting template, paintable grille
Warranty5 years (cabinet & drivers)
Weight4.4 lbs (2 kg)
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