One of the biggest weaknesses of iOS devices is the speakers. There are plenty of products out there designed to amplify the overly quiet speakers such as the db4 case, the Koostik dock, and the Horn Stand Amplifier. A new player is entering the field called the ampjacket. Not only does it work with iPhone 5, but it's available for iPod touch and iPad mini as well.
Read the full article: ampjacket cases boost iPad mini, iPod touch, and iPhone 5's volume