If you’re interested in the Hi-Res audio files streamed by Apple Music, Qobuz, or Tidal, wireless Bluetooth headphones can’t yet deliver your music in its full-resolution glory; you’ll need to use wired headphones with your streaming source.
If that source is an iOS or Android device, you’ll also need a device to take over the digital-to-analog signal conversion and give the audio signal a boost. The iFi Go is a combination DAC and headphone amp that delivers that upgraded audio in a compact package.
The iFi Go is approximately the size of a pack of gum and it’s that small size that a big part of its allure—and a substantial reason for its relatively high price. That compact profile also means that there’s no battery in the DAC,
