Designed by Brooklyn-based studio Nonlinear, Amplifiear is a clever sound amplification device for the iPad. It simply clips onto the back of your ipad to redirect the sound coming from the built-in speakers. It indeeds uses no battery nor wires since it uses the sound that is already coming out of the device, and just amplifies and clarifies it. It is currently looking for funds on Kickstarter and will be available in six colours at around $20. Enjoy!