The CT-Noise Protection Helmet is a CeoTronics engineering masterpiece and is the communications product of choice for extreme noise conditions of up to 140 db (A). The in-built communications system, with its specially engineered, gel-cushioned CT-ContactCom (skullcap microphone), enables voice to be picked up despite major structure-borne sound artefacts. Thanks to its premium quality loudspeaker, audio can be heard clearly even in the noisiest environments. The helmet shell has an outstanding sound insulation value of SNR 42 db. For more information visit www.ceotronics.com.