Ketra D4R Retrofit Downlight

Ketra’s D4R retrofit downlight is an elegant downlight solution with a 4” aperture. Featuring field-adjustable regress and IC-rated housing, the D4R supports a variety of ceiling types including 2x6 joists. Each unit responds to wireless control and is individually-addressable through Ketra’s accompanying software. The D4R is equipped with Ketra's full suite of solutions:

High Def Palette - covers a wide range of 16.7 million colors, including pastels, saturated colors and high CRI whites spanning from 1,400K to 10,000K.
Dynamic Spectrum—precisely tunes the amount of energy across the visible spectrum to produce Natural Light, Natural Dimming and Vibrancy.
TruBeam—produces uniform color across any available beam angle.
Color Lock—maintains your desired color point at a one step MacAdam Ellipse across all Ketra product families and over each product’s lifetime.

New Control System Available: Ketra’s D4 Retrofit Downlight is now using Lutron’s Clear Connect Type X wireless technology to fully integrate with Lutron commercial and residential control systems, Athena and HomeWorks.

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D4 Retrofit Downlight
The Ketra Difference:
High Def Palette—covers a wide range of 16.7 million
colors, including pastels, saturated colors and high CRI
whites spanning from 1,400K to 10,000K.
Dynamic Spectrum—precisely tunes the amount of energy
across the visible spectrum to produce Natural Light,
Natural Dimming and Vibrancy.
TruBeam—produces uniform color across any available
beam angle.
Color Lock—maintains your desired color point at a onestep MacAdam Ellipse across all Ketra product families
and over each product’s lifetime.