If your portable audio player uses headphones or mini-speakers, you’ll want to check out the Boostaroo T613-B Portable Amplifier. This small, pocket-sized amp takes up to three headphones at once and can increase the audio volume on them by up to 40 percent.
The Boostaroo is a great and economical way to increase the volume of your own portable player through your headphones or mini-speakers, or share your music with up to two additional listeners. Best of all, Boostaroo can take all three headphones without any noticeable difference in output or frequency response. This means that everyone will have access to the same high-performance music without any loss of quality. And at only three ounces, the Boostaroo is certain to become your companion wherever your music takes you.