The AK380 is an audiophile-quality portable hi-res audio player from Astell&Kern. Totally top of the line. Think of your iPhone as the new Mustang & this thing is a Formula One Ferrari. It’s capable of 32-bit/384 kHz bit-to-bit decoding. Every possible bell, whistle, & port. It supports all sorts of files: WAV, FLAC and AIFF, as well as MP3, WMA and AAC. It’s also equipped with wi-fi, bluetooth, and 256GB of flash memory.