Everything you wanted in the O2 and ODAC is now available in one complete housing. Built with the exact specifications of each standalone unit, the O2+ODAC offers everything audio designer NwAvGuy set out to make in a more compact package. Capable of powering everything from IEMs to HD800s with ease, the O2+ODAC is your all-in-one baseline DAC/AMP combo at an entry-level price. See below for the full list of performance specifications.