Passive Ceramic Horn Speaker
Through passive amplification alone, these unique pieces instantly transform any personal music player + earbuds into a sculptural audio console. Without the use of external power or batteries, the Phonofone II inventively exploits the virtues of horn acoustics to boost the audio output of standard earphones to up to 55 decibels. The Phonofone II is constructed entirely from white ceramics and is available for $500 from charlesandmarie.com.
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