V-MODA introduces VAMP, an Audio Multitasker for the iPhone 4/4S

V-MODA, maker of the Crossfade M-80 and Crossfade LP headphones, have introduced the VAMP, a headphone amplifier with a dedicated 150mW x 2 amplifier, DAC (Digital-to-Analog convertor), optical audio output and a 2200mAh battery – all integrated into a metal case for the iPhone 4/4S. It’s based on the GO-DAP 4.0 by VentureCraft, but tweaked [...]

Source: http://the-gadgeteer.com/2012/06/16/v-moda-introduces-vamp-an-audio-multitasker-for-the-iphone-44s/

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