Sleek and slim design

Outstanding Light Quality

Holistic illumination

With its advanced LED technology and ultra slim light panel, avant-garde XT-S ONE beams even, adaptable and de-glared light at maximum energy efficiency.

Outstanding Light Quality

Cutting-edge LEDs provide powerful 5485 Lumen illumination at AA+ energy efficiency.

XT-S series ensures balanced brightness throughout the workplace, distributing 45% of its light directly onto the workstation and 55% into the surrounding area.

XT-S series integrates the latest LED technology into an ultra-slim 12mm light panel, cast from a single piece of aluminium. This new, laser-optimised design distributes front-fed light into the room with top efficiency and equilibrium.

A Color Rendering Index of > 80 delivers a top color spectrum, ensuring workspace lighting is vibrant, focused, and precise.

Smart Sensor System

Light in sync

The XT-S series is equipped with a motion sensor and constant light regulator. Our motion sensor allows customers to program specific customer and usage requirements, such as restricted motion detection or temporary deactivation.

Smart Sensor System

For optimal energy efficiency, the constant light regulator adjusts the light according to ambient brightness while the motion sensor detects when the workstation is not in use.


Smooth operator

Sleek and futuristic, XT-S ONE is designed to integrate smoothly and harmoniously into any workplace, with floor and table-mounted models for flexible planning.


XT-S ONE is available as a free-standing or table-affixed model, according to workspace set-up and requirements.


Networked illumination

XT-S ONE is compatible with Swarm function technology, enabling group programming of multiple lights and advanced coordination of ambient illumination.


Swarm function allows lamps to communicate amongst themselves, so that in an open office environment, not only is the luminaire bright in the area of the recognised presence, but also in the area surrounding the luminaire. This increases the visual comfort, reduces fatigue and increases the sense of security.

With its sleek form and futuristic aesthetic, XT-S is designed to light every workspace into tomorrow. The XT-S range of standing, suspension, and table-adapted models allows every workplace planner to tailor and scale their lighting solutions in the same streamlined style and outstanding quality.

Sustainable Design

For a light footprint

As a forefront pioneer of LED lighting, we have always held energy efficiency and sustainability at the heart of our practice. From our solar-powered headquarters, we commit to durability, re-use, and responsibility at every stage of our production chain.

Sustainable Design

All Tobias Grau lamps are designed and produced at our headquarters near Hamburg, a pioneering example of sustainable architecture. We maximise the use of all production materials and prioritise local suppliers, with the majority of all components, including batteries, sourced in Germany.

We work with nothing but the highest quality materials and pride ourselves on our long-standing relationships with trusted suppliers. All our partners are obliged to sign and adhere to our Code of Conduct, comprising both social and environmental standards.

Our award-winning lamps combine minimalist elegance with maximum energy efficiency. We champion quality rather than quantity, resisting passing trends and embracing real innovations that improve both user experience and ecological impact. Every single one of our lamps is designed and made to last a lifetime.