You are downloading the Decibel Meter XAP file v188.8.131.52 for Windows Phone. Decibel Meter is a free and useful Productivity app: This is a light weight decibel meter application that will show you the current reading, the average reading and the maximum reading. It will also ... You can now download the offline XAP file to install & try it.
Download Locations for Decibel Meter 184.108.40.206 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Decibel Meter XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.