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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 2×6 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.