Boostaroo R234 Revolution Headphone Amplifier and Sound Enhancer (Discontinued by Manufacturer)
If your portable audio player uses headphones or mini-speakers, you'll want to check out the Boostaroo Revolution R234-2 High Definition Amplifier and Splitter. This small, pocket-sized can increase the volume of your audio player by up to 40 percent. The Boostaroo Revolution 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, the Boostaroo Revolution can take all three headphones at once 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 Revolution is certain to become your companion wherever your music takes you.