A Range of CE certified universal fit hearing protection using DEC's pioneering Filtor products. Al; Crescendo product are upgradable to custom fit moulds, spreading the initial investment.

If you interested in purchasing or selling Crescendo products then please get in contact.

DEC's patented mechatronic automatic variable attenuation hearing protection.

DEC's range of flat attenuation music filters and industrial filters for custom moulded hearing protection. Universal fit solutions are available from Crescendo.

DEC's range of balanced armature receiver earphones. Each product is also CE certified as hearing protection when used with Unor universal tips.