
Without the use of external power or batteries, the Phonofone exploits the virtues of horn acoustics to boost the audio output of standard earphones to up to 55 decibels (or roughly the maximum volume of laptop speakers). "Upon connecting active earphones to the Phonofone their trebly buzzing is instantly and profoundly transformed into a warm, rich and resonant sound" Science and Sons (03/09)
2X is a compact, all-in-one system with full-size sound.
Through passive amplification alone, a music player becomes an audio console.
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double-bass ,speaker ,sound ,speaker ,stereo ,bass ,sound
double-bass ,dancer ,speaker ,speaker ,single ,bass
speaker ,sound ,speaker ,audio ,sound
Through passive amplification alone, a music player becomes an audio console.
method ,digital ,speaker ,acoustics ,frequency ,amplifier ,speaker ,amplifier ,audio