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Definitive Technology DI 6.5R Round In-Wall/In-Ceiling Speaker

Item Number: DT-DI6.5R
Definitive Technology
Speaker Type:
In-Ceiling Speakers

Price: $299.00
Leaves Warehouse within 5-10 Business Days
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    DI 6.5R

    Disappearing™ Series Round 6.5" In-Wall / In-Ceiling Speaker

    DI 6.5R


    6.5” BDSS™ Woofer

    Clear, Clean,
    and Detailed

    Pure Aluminum Dome Tweeter

    Tailored to Your

    Environmental EQ &
    Pivotable Tweeter

    Our Best Freestanding Speaker Technologies

    Invisible Audio,
    Astonishing Performance

    The culmination of decades of engineering, DI Series Loudspeakers deliver sensational sound quality while virtually disappearing into walls and ceilings with our hidden flange design. Treat yourself to dynamic bass, smooth midrange, and sparkling treble with little impact on your décor.

    • Our Best Freestanding...
    • Disappearing Design

    Environmental EQ
    fine-tunes the highs for any space

    Adjust the Environmental EQ switch to customize tweeter output for your listening environment. Engage the [+] setting to boost treble in sound-absorbing rooms, or the [–] setting to reduce treble in lively rooms. Leave in the Center position for rooms with average reflectivity.

    Pivoting Tweeter
    for controlled directivity

    The ultralight, rigid construction of DI Series aluminum dome tweeters enables them to play significantly higher frequencies than we can hear, enabling optimum linearity within the range of human hearing. The DI 6.5R features a pivotable tweeter for clean, sparkling, distortion-free highs, with dispersion customizable to your space.

    Exclusive BDSS™ Technology
    midrange/bass woofer

    For more bass in less space while keeping midrange detailed and responsive, the DI 6.5R 6.5” mid/bass woofer leverages our exclusive Balanced Double Surround System (BDSS™) driver technology. The double butyl rubber surrounds produce a much greater cone excursion than other comparably sized drivers. And the DI 6.5R’s rigid PolyStone™ basket provides a sturdy launching pad for the powerful excursion.

    With BDSS drivers, you’ll enjoy superior midrange/bass dynamics and detail in packages sized for stealth.

    Acoustic Wizardry
    for the details that make the difference

    The DI 6.5R features a sophisticated adjustable crossover network with custom, high-precision components for superior sonic purity.

    Surrounding the BDSS driver is a specially-contoured AeroRing™ that precisely distributes natural, well-balanced sound by minimizing diffraction.

    The Axially-Aligned configuration of the tweeter with the woofer provides broader sound dispersion and more natural balance.

    Disappearing Design

    Installs Easily
    and Reliably

    Whether new or existing construction, walls or ceilings, residential or commercial, DI Series speakers offer simple, stealthy installations. Our engineers have extensive custom installation experience, and have felt your pain when working with hastily-engineered products. From pivoting lock arms to paintable grilles and frames to sure-grip magnetic grille fasteners, DI Series speakers are installer-friendly to the extreme.

    All the Stealth
    none of the complexity

    Hidden flange architecture is fantastic for décor, because the nearly border-free design virtually disappears into walls and ceilings. What isn´t fantastic is the typical installation complexity. However, DI Series hidden flange designs are as easy to install as traditional flanged flush-mount speakers, and don´t require custom Sheetrock or spackle skills to get their practically invisible look.

    Paintable Magnetic Grille
    for the final custom touch

    All DI Series speaker grilles and grille frames are paintable, with easy step-by-step instructions. Once you have your perfect look, powerful neodymium magnets attach the grilles to the speakers for a secure, tool-free finish.

    New Construction
    installations made easy

    For new construction projects, streamline your DI Series speaker installations with the optional Pre-Construction Rough-in Brackets. Easily attach the bracket to studs or joists before the drywall goes up, using your choice of nails, drywall screws, or construction staples (not included). Adjustable arms allow for unusual stud or joist locations.

    A Disappearing Act
    for every installation

    Whatever the setting—residential or commercial, music room or home theater—DI Series has designed a disappearing act ready to entertain you. From round or square ceiling speakers, to in-wall speakers, to Bipolar surround speakers, to in-wall subwoofers, DI Series is ready to rock a venue of any size—invisibly. Mix and match as you please, confident that you’ll always enjoy Definitive Technology's legendary speaker voicing.


    Total Pieces1
    Included Accessories• (1) Wall Mounting Template
    • (1) Paintable Magnetic Grille
    Optional Accessories• (1) Rough-in-kit
    Cabinet Warranty5 years
    Drivers Warranty5 years
    Carton 16.13" (15.57 cm) h x 10.07" (25.58 cm) w x 10.07" (25.58 cm) d - 5 lbs (2.27 kg)


    Qty Included1
    Driver Complement• (1) 1" (2.54 cm) d (Round) Tweeter - Tweeter
    • (1) 6.5" (16.51 cm) d (Round) BDSS Bass/Mid - Mid/Woofer
    Weight3.8 lbs (1.72 kg)
    Depth3.63" (9.22 cm)
    Grille Dimensions8.31" (21.11 cm) diameter
    Dimensions7.25" (18.42 cm) diameter
    Audio Inputs
    Speaker Inputs(1) Pair of Heavy Duty, Spring Loaded - na
    Total Frequency Response26 Hz → 30,000 Hz
    Nominal Impedance8 ohms
    Max Sensitivity (1 watt @ 1 meter)90 dB
    A/V Receiver Crossover SettingsSmall (60 Hz)

      Product Documentation

      DiSeries_Manual_20209_readDI Series product info sheet