Do you like your music loud? ThinkGeek knows this very well and has just put out the Fiio E1 amplifier for the iPhone and its sole job is to enhance the sound output to your headphones.
The Fiio E1 iPhone headphone amplifier comes with a Texas Instruments’ headphone amplifier and delivers enhanced sound to your output device. The amplifier connects to your iPhone via a 30-pin dock connector and also works with iPods.
There’s no need for any batteries with this one, youll just need to connect it to your iPhone and connect your headphones to it in order to listen to your tunes louder than before. It also comes with a clip so you can attach it to your bag or jacket.
The Fiio E1 iPhone heaphone amplifier will sell for $19.99.