Definitive Technology DI6.5R Disappearing Series Round 6.5" In-Wall / In-Ceiling Speaker

6.5in BDSS bass mid 1 1in pivoting dome tweeter Flangeless design. Micro-perf grille minimize visibility. Pivoting Pure Aluminum dome tweeters. Adjustable HD crossover. GaussGrip magnetic grille fasteners. Latest generation BDSS drivers. Audiophile-grade sound quality. Single. MFG P/N: UEUA

Definitive Technology



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Definitives in-ceiling DI 6.5R speakers feature near-invisibility thanks to their small diameters, 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. The DI 6.5R grille is a mere 8-5/16 inches (21.04 centimeters) in diameter, about the same visible size as competitive 5-1/4-inch in-ceiling speaker.


  • Simple to install, no spackle work required
  • Latest generation balanced double surround system (BDSS) drivers for audiophile-grade sound quality
  • Pivoting pure aluminum dome tweeters
  • Axially aligned design ensures broad, balanced coverage area
  • GaussGrip magnetic grille fasteners
Driver Complement: 
Diameter1 In (2.54cm)
TypePivoting Pure Aluminum Dome
Mid / Woofer 
Diameter6.½ In (16.51cm)
TypeBDSS Midrange Driver
Tweeter/Mid Array 
TypeDirect Radiating 2 Way Coaxial
Environmental EQ 
3 Way SwitchUser Selectable
Audio Inputs 
Speaker Level1 Pair (Heavy Duty Spring Loaded)
Maximum Sensitivity 
1 watt @ 1 Meter90dB
Total Frequency Response 
Overall26 Hz - 30 kHz
Nominal Impedance 
Compatible with8ohm
A/V Receiver Crossover SettingSmall (60 Hz)
Power Handling10 - 200watts per channel
Cut Out Dimensions 
Diameter7 1/4 In (18.41cm)
Mounting Depth3 5/8 In (9.21cm)
Internal Clearance Required for Mounting Dogs (add to each side of Cut Out)1 In (2.54cm)
Grille Dimensions 
Diameter8.5/16 In (21.11cm)
OrientationIn Wall or In Ceiling
Cabinet Type 
Speaker EnclosureInfinite Baffle
Product Weight 
Out of Box3.8lbs
Included AccessoriesWall Template; Paintable Magnetic Grill
Optional AccessoriesRough-In-Kit; Fire Can (Both Available Separately)
Carton Size 
Height6.1/8 In (15.56cm)
Width10.1/16 In (25.56cm)
Depth10.1/16 In (25.56cm)
Shipping Weight 
One per Carton5lbs
Drivers and Cabinet 
Parts and Labor5

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