HK Audio CM-4

HK Audio CM-4 in-ceiling speaker

The SI SERIES CM-4 is a high-quality coaxial ceiling speaker with 4″ polypropylene woofer/midrange transducer and 0.75″ aluminium dome tweeter.

Its discreet, customisable appearance with magnetically attached white or black front grille makes it the perfect addition to the SI SERIES toolbox. A specially developed, multi-stiffened steel back can guarantees complete freedom from resonance. A front-operated 100/70 V transformer with bypass option and detailed equalisation via DSP ensure the highest possible sound quality.

Subwoofer models such as the SI SERIES S210 V or FINEO FO S112 (F) are available to support the bass range.

The SI SERIES CM-4 is an exceptional coaxial ceiling speaker, designed to provide premium audio performance in both residential and commercial spaces. Featuring a 4″ polypropylene woofer/midrange transducer, it ensures clear, balanced sound across a wide frequency range.

Complementing this, the 0.75″ aluminium dome tweeter delivers crisp, detailed high frequencies, resulting in a rich, full-bodied listening experience. The CM-4 is engineered for versatility, offering easy integration into any ceiling installation while maintaining a sleek, unobtrusive appearance. Perfect for those seeking high-quality sound without compromise, this speaker brings both aesthetic and acoustic excellence to any environment.