Calum Audio Ltd provides professional manufacturing services for loudspeaker cabinets.

We are proud to support the open source community, as well as a range of OEM clients.

All cabinets are true waveform delivery solutions. With many years of real-world experience, CAL makes sure all cabinets are easy to deploy and practical to use.

You deserve a sound system that can help you achieve the principal goal of audio reproduction; connecting the artist to the audience. With a fully modular CAL sound system, you can accomplish this.