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Definitive Technology UIW 65

In-wall speakers

Item #: 735UIW65

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Powerful sound without the clutter

Fill your room with beautiful sound, not bulky speakers. Definitive Technology's UIW 65 in-wall speakers include a 1" pure aluminum dome tweeter for detailed highs, and a high-definition, cast-basket 6-1/2" woofer for rich mids and bass. The speakers also feature a tweeter level switch to tailor the sound to suit your personal taste and room's acoustics. Plus the white grilles and frames are paintable to match any décor. You can experience "stealth" stereo or even multichannel home theater sound without sacrificing performance.

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Product Highlights:

  • frequency response 28-30,000 Hz
  • 1" Pure Aluminum dome tweeter
  • 6-1/2" cast-basket polypropylene woofer with butyl rubber surround
  • moisture-resistant design for kitchen and bathroom installations
  • recommended amplifier power: 10 to 200 watts
  • sensitivity 90 dB
  • impedance: 8 ohms
  • grille and frame paintable to match wall color
  • high frequency equalization switch to adjust speaker output for different mounting positions
  • cutout dimensions: 6-1/2"W x 9-13/16"H
  • mounting depth: 3-5/16"
  • outside dimensions: 7-1/2"W x 10-13/16"H
  • warranty: 5 years
  • Our 60-day money-back guarantee

Definitive Technology UIW 65 Reviews

Hands-on research

What's in the box?

Download owner's manual

  • 2 Rectangular in-wall speakers
  • 2 Grilles
  • 2 Paint masks
  • Wall template
  • Owner's Manual/Warranty Info

Features and Specs

Enclosure Type In-wall
Video Shielded No
Tweeter Dome
Midrange Size N/A
Woofer Size 6.5
Woofer Composition Polypropylene
Woofer Surround Butyl Rubber
Power Range (Watts) 10-200
Sensitivity 90 dB
Impedance (Ohms) 8
Frequency Response 28-30kHz
Connector Type Spring post
Bi-Amp Inputs No
Parts Warranty 5 Years
Labor Warranty 5 Years

Product Research


Pure Aluminum Dome Tweeter: An exclusive magnetic fluid-cooled, moving-coil, aluminum dome 1" tweeter brings together the performance advantages of metal domes (greater clarity) and soft domes (smoother sound and better dampening) in one state-of-the-art tweeter design, for detail, clarity and accurate imaging.

High-Definition Midbass Driver w/ Cast-Basket: An Aerodynamically designed, magnetically inert, non-resonant cast basket minimizes reflections of the sound radiating from the back of the 6.5" polypropylene woofer with butyl rubber surround and preserves structural and magnetic integrity for significant performance advantages in the areas of bass reproduction, lifelike midrange clarity, and dynamic range.

Linkwitz-Riley Crossover Network: The 1" tweeter and 6.5" woofer are perfectly blended together with a complex phase-coherent Linkwitz-Riley crossover network with user selectable equalization.

EQ Switch: There is a two position switch marked "HF EQ" on the top of the crossover circuit board facing the speaker baffle. This can be set to either "H" (brighter) or "L" (less bright), depending on your personal listening preference as well as your chosen mounting position.

Rigid Non-Resonant Low-Profile Frame: Molded of a glass-filled polymer compound to eliminate baffle resonance, the UIW 65's frame maintains sonic purity by defeating diffraction, giving it a wide, dynamic sound stage with minimized resonance or coloration.

Paintable: The UIW 65 in-ceiling loudspeaker metal mesh grille and polymer frame can be spray painted to match the color of your wall without any loss of sound quality. Simply remove the grille from the speaker and place it on a drop cloth, newspaper, or plastic sheet and spray paint it with canned spray paint that closely matches the desired finish/color (available at home improvement stores). A paint mask is supplied to protect the drivers when painting the frame.

Spring-Loaded Speaker Terminals: The UIW 65 features a pair of heavy-duty, gold-plated, spring-loaded posts designed to accept up to 10 gauge wire, banana plugs (single only), or pin-connectors.

Applications: The UIW 65 is perfect for use as a front, surround, or center channel speaker in a stealth home theater system, or for producing exceptional sounding music throughout your home.

Mounting Options: The UIW 65 can be mounted in-wall using the six integrated rotating clamps and mounting screws. A cutout template is supplied to help you cut a 6.375" (w) x 9.75" (h) hole. You will need to allow at least 0.625" of space around the cutout and have at least 3.3125" of clearance for mounting depth (using 1/2" thick mounting surface). You should allow at least 1" from the edge of the cutout to nearest obstruction inside the mounting surface.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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