Protect your system, regulate live sound levels and comply with Noise at Work regulations.

The SL22 is a precision sound level limiter designed to protect hearing, equipment and venue compliance. It maintains consistent, transparent control of audio levels without compromising sound quality, ensuring both safety and performance in any professional environment.

Safeguard Your Hearing

The SL22 helps workplaces and venues comply with Noise at Work regulations by controlling exposure to high sound levels. It includes a dedicated headphone output limiter to protect regular headphone users such as DJs, sound engineers and students. Additional rear connectors allow for remote data logging or the triggering of external warning devices.

Conform to Regulations

Designed for clubs, theatres, schools and public venues, the SL22 provides precise, transparent control over system volume to ensure compliance with Local Authority Noise Regulations. Unlike crude systems that simply cut power or disconnect speakers, the SL22 limits levels smoothly and unobtrusively, maintaining audio quality while preventing excessive sound pressure. Tamper-resistant controls and the option to integrate with fire alarms or remote volume dimming systems provide additional security and flexibility.