earHD 360 increases the detail in sound revealing more definition and nuances. It is made from a rigid material which gives increased accuracy when channelling sound into our ears - perfect for those who want more precision from their audio experiences.

Calmer on the other hand smooths and softens sound whilst channelling it into our ears, making everyday stressful noises less irritating. It is made from soft flexible silicone which means that sound delivery has less attack bringing relief to those with sensitive hearing.