Loud hailer: MegaPhone is a sound choice

In a departure from the usual style of high-tech speakers, this passive amplifier is simply a horn made out of ceramics. The user slots in the phone at the top, and a thin wooden frame enables it to ‘float off the table… to increase the vibration of the object and to optimise the emission of sound’, according to the designers.

For more on how consumers increasingly want lean, simple technology, read our Technology Futures report.