The E10K is the most popular pick in the entry level DAC/Amp section...and rightfully so. You can use it with anything ranging from low impedance IEMs to more demanding full size headphones. Most often the E10K is a clear improvement over on-board audio solutions and a loyal companion for any "Quali-Fi" headphone model. The little FiiO amplifier powers anything rangning from the popular Sennheiser HD5** models over Audio Technica's ATH-AD variants up to the higher impedance versions of the Beyerdynamic DT-series.
For really hungry high impedance headphones you will want to pick something with more power.
You are buying your first DAC/Amp and want a solid all-rounder that gets shit done.
Input Connections:
Output Connections:
Power Source: USB
Output Power
Output Impedance: 1.04 Ohm
Note:
For the bassheads out there FiiO added a +6dB Bass Boost EQ that can be toggled via a switch on the front.