M-Audio Micro DAC by Millionhead, a portable sound quality converter from a portable analog that helps your headphones. More quality

Portable Digital-toalog Converter with Analog & Coaxial Digital Outputs. Highest quality.
Micro DAC is a USB Digital-toalog (DAC) Converter with Two outputs, One Anal Analog and One Digital (Optical). It's Ideal For Converting The Audio From A High A high- Quality Analog Format with Needing to Carry Anything Larger than A Flash Drive. The Sound Quality Aviality Available from the Typical Headphones es a lot to be desired. Micro DAC DELIVERS A Marked upgrade in Sound Quality, Compared To Just Pluging Your Headphones Directly IDPHONE JACET The Headphones Jack.Se 1/8-Inch Analog Output to Connect Any Headphons switch that boosts the Signal Level, So You Can Drive Even High-Impidance Headphones to a Robust Loudness Level. And Slence Virtualy All High-Quality Audio Equipment Has an Optical Digital Digital Digital Digital Digital Output is PERDICICK OTIVER PERDICICK. That Equipment with a Pure Digital Signal - ESPECIALLY VALUAL SINCE most Computer Do Not Have a Digital Output.Micro Dac Has a Rugged Aluminum Housing and Isbus-Powered Professional-Quality Audio! Aluminum Housing for Rugdedness While Traveling1 /8 "Headphone Output1/8" Coaxial Digital Outputgain Switch for High-Simpedence Headphones, To Easily Drive Any Modelslim, Small Design for Portability Portability Audio Quality Ionusb-Bus-Powered