iFi Audio ZEN Air DACImprove the quality of your everyday audio with the iFi Audio ZEN Air DAC. DAC stands for Digital to Analogue converter. In a nutshell, a DAC converts the digital info in your source device your computer, games console, tablet or smartphone to music that we can hear through speakers or headphones. Every device that is a source of digital sound has a built in DAC. External DACs sound much better that the standard DACs used inside these devices. Hearing