The E7 USB DAC and Portable Headphone Amplifier from Fiio is a compact headphone amplifier that provides analog and digital input and output for high-quality listening. It offers USB audio decoding and output for PC, functioning as an external USB sound card. It has a USB receiver from Texas Instruments, a Wolfson digital-to-analog converter, and an ADI amplifier to offer exceptional audio quality with low distortion and strong output.

May need`s new battery

B 148-ROO-2