xDuoo X1 8GB WAV APE FLAC Portable 300ohm High Power HiFi Music Audio Player X1 is a portable HI-FI music player with fashionable appearance, with 8GB Flash memory. It is simple and practical to operate. This player supports MP3, WMA, APE, FLAC, WAV and other mainstream audio formats. You can enjoy the crystal clear sound quality whatever the audio format is. Through high-performance audio decoding, its built-in a OP+BUF architecture, high-slew-rate. OCL (output capacitor-less) with Split power supply, which makes sounds thorough and exquisite with a tremendous momentum. And the music sounds can reach pretty low with fast sense of speed, thus it is very resistant to listen to.