The Passive Amplifier for an iphone is designed by EN&IS - a collaboration between Enrico Bosa, product and interior designer and Isabella Lovero, a product and jewellery designer. It's made from ceramic and the form is designed to amplify and optimize the best sound output. It sits on a thin wooden frame optimizing the emission of sound. Designed for the iPhone, it's perfect for listening to music without headphones and for audio conference to hear the person on the phone as a live voice.
Compatible with iPhone 2G, iPhone 3G/GS, iPhone 4/4S, iPhone 5/5C/5S, iPod Touch (from the second generation onwards) with case.