The D4 is a precision recessed luminaire from the D Series, designed by Andreas Schulz. The D4 combines minimalist aesthetics with advanced optical engineering, ideal for architectural projects where defined light beams and high color rendering are essential. The D4 is offered in multiple beam angles (24°, 38°, 50°) and in different installation trims — framed, trimless — with fixed or adjustable reflectors. Rated at 12W with CCT options of 2700K and 3000K, the D4 delivers warm, controlled light with CRI >90, highlighting surfaces and details with clarity. Its metal construction ensures durability and a refined integration into ceilings.
Variants of the D4 include wall-washer configurations and dedicated installation kits, making the D4 versatile for both residential and contract applications. The D4’s compact profile and careful optical design allow it to produce clean, comfortable illumination for both accent and general lighting tasks. Where unobtrusive presence and precise performance are required, the D4 provides a subtle yet powerful lighting solution that respects the surrounding architecture.
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