What is Active Room Compensation and why is it a great feature?

Active Room Compensation (ARC) is an advanced audio processing technology designed to optimise how a sound system performs within a specific environment. Rather than relying solely on the quality of speakers or amplifiers, ARC measures and corrects how sound behaves in a room, ensuring a more accurate and balanced listening experience.

Every room introduces acoustic challenges. Hard surfaces reflect sound, soft furnishings absorb it, and the size and shape of a space create resonances that can colour what you hear. The result is often uneven bass, reduced clarity, and a loss of detail—issues that occur even in high-end systems and are almost unavoidable in real-world living spaces.

ARC addresses these problems by analysing the room itself. Using a calibrated microphone, the system plays a series of test tones and measures how they are affected by the environment. It then applies precise digital filters to correct these irregularities, smoothing frequency response, improving timing, and enhancing overall coherence.

The benefits are immediately noticeable… Bass becomes tighter and more controlled, vocals and instruments gain clarity, and stereo imaging improves to create a more defined and immersive soundstage. Importantly, ARC also improves consistency across the room, so you are not limited to a single “sweet spot,” making it ideal for everyday living spaces.

Bang & Olufsen approaches ARC differently from many traditional room correction systems. Rather than optimising for a fixed listening position, their technology is designed for how people actually use a space—whether that’s moving around, entertaining, or listening casually—delivering a natural and consistent sound experience throughout the room.

In products like the BeoLab 50 and BeoLab 90, ARC is built directly into the speaker and works alongside advanced digital signal processing. This allows not only correction of room acoustics but also control over how sound is distributed, with options for both focused listening and wider room-filling modes. Combined with simple, app-based calibration, it delivers high-performance audio without complexity—quietly optimising the experience in the background.

Contact us today to discuss how B&O’s Active Room Compensation can upgrade your listening experience at home.