A weak and strained voice is something that results from a number of conditions, most commonly Parkinson's Disease. Here at MedicalSupplies.co.uk, we sell Voice Amplifiers to give power back to the voice of those with this debilitating condition, and make communication with others a little easier. For more information regarding our Voice Amplifiers please call us on 020 7501 0593, or email us at helpdesk@medicalsupplies.co.uk.