The Boostaro Headphone Amplifier & Splitter will boost the volume of any portable audio device that uses a headphone jack in stereo without distortion.

Only £23.52

Boostaroo Revolution High Definition Personal Audio Amplifier and Splitter
The Boostaroo Revolution has been scaled down in size
Quadruple the output of a player with no more than 1% of harmonic distortion
Only £43.01