Offices Nationwide

Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more

How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...more
Part E
Resistance of the Passage of Sound

Portsmouth - SAP Extension Assessments - 0239 366 0106
The counties covered by this office are:
Isle of Wight, Dorset, Channel Islands, Hampshire, West Sussex, Wiltshire,
Phone Number: 0239 366 0106 Email: portsmouth@e2consultants.co.uk
Our other services include:
SAP Extension Assessments can also be known as:
SAP Extension Assessment, SAP Extension Calculations,


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Company No. 06728970