V-MODA VAMP Verza Universal Headphone Amplifier with DAC and Battery Pack for Android, Apple and Computers, Matte Black
"NOT YOUR DADDY'S AMPLIFIER,A MOBILE HI-FI HOT-ROD"World's First Docking Headphone Amplifier • Digital-to-Analog Converter•Battery PackWhy VAMP VERZA?Universal  Headphone Amplifier/DAC/Battery PackPure Power & Digital-to-Analog ConversionVERZADOCK allows docking to METALLO casesBattery PackMachined MetalWorld's First Universal Docking Headphone Amplifier/Digital-to-Analog Converter/Battery Pack"the analog-age spirit of solid components modernized into a mobile hi-fi system"-Val Kolton, V-MODA CEOUniversal Compatibility:Designed for portable devices including newer Androids*, iPhone, iPad, iPod as well as Mac and Windows OSDesktop/Portable:Use as a desktop, portable amplifier or hi-fi sound card via USB audioAward-Winning Sound:V-MODA's legendary acoustics, winner of dozens of prestigious media awardsDesigned in Italy, Made in Japan:V-ANGLE design (patent-pending)and precision engineering using the finest components in the worldPure Power & Digital-to-Analog ConversionVAMP VERZA's dedicated DACs extracts pure digital output from your computer, Android or iOS device and converts it into  analog  for the purest mobile audio listening experience.2 Dedicated DACs:USB Audio DAC (computer/Android) and iOS DAC bypasses your device's internal DAC using USB or micro-USB to reduce the number of times your sound is re-processedBurr Brown & AKMDAC: Low noise components usually found only in hi-end digital playersfor pure audio with less resonance, reduced background noise and improved clarityAmplifer:150mW x 2 USB Audio / 130mW x 2 for iPhone, iPad, iPod   amplifier powerful enough for high-impedance (>32 ohm) and large headphones6-Layer Anti-Interference PCB:6-layer PCB isolates components on different layer for less noise and interferenceRotary Volume:                 Metal knob and on/off switch for precision volume controlHi/Lo Gain:Switch between 80mW or 130mW/150mW outputBass/3D Button:pure mode (red), bass+ mode (green) and 3D Virtual sound button optimized for home and car audioOptical Out:SPDIF/Toslink digital audio output transforms your device into a high fidelity source (3.5mm to optical cable not included)USB Audio:Charge your Vamp or use it as a hi-fi USB Audio sound card for desktop and notebook useMFI Approved: Apple  MFi official device