You are downloading the PowerAmp Premium Version XAP file v220.127.116.11 for Windows Phone. PowerAmp Premium Version is a free and useful Music app: Music moves people; it unites us, it allows us to relax, and sometimes, when done right, it can even motivate us to do great things. Poweramp does ... You can now download the offline XAP file to install & try it.
Download Locations for PowerAmp Premium Version 18.104.22.168 XAP file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline PowerAmp Premium Version XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.