Definitive Technology UFEA دليل المستخدم

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DI 4.5R In-Ceiling Loudspeaker
™
Disappearing In-Wall Series
Extraordinary High-Performance Speakers that Virtually Disappear in Your Room
The DI 4.5R Disappearing™ In-Wall speaker features near-invisibility
Overall Dimension
thanks to its small diameter, hidden flange design, and low-profile
With Grille
3
135.5 mm
micro-perf grille. The DI 4.5R is a mere 5 ⁄8" (13.55 cm) in diameter, about
[5.3750”]
the same size as the mini recessed lighting fixtures that are all the rage in
lighting design t

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DI 4.5R In-Ceiling Loudspeaker ™ Disappearing In-Wall Series Superior technology ensures lifelike sound quality for every listener in the room. SPL vs Frequency SPL vs Angle Smooth and accurate on-axis frequency response Uniform polar response Optional fire-rated back boxes: Order SKU UFEA Besides meeting code for multi-family 460 mm 99 mm [18.11”] and commercial installations, these heavy- [3.88”] gauge steel enclosures reduce sound 166 mm leakage into adjacent living spaces. Order 136 mm [6.