FiiO X5 2nd Generation High Resolution Digital Audio Player with Carrying Case and Extreme Audio 128GB MicroSD DAP Connection Kit FiiO X5 Digital Audio Player, Extreme Audio 128GB MicroSD DAP Media Connection Kit, Leatherette Carrying Case Supports DSD, APE, FLAC, ALAC, WMA, and WAV The X5-II utilizes a Texas Instruments PCM1792A DAC coupled to an OPA1652 for great dynamic performance, while the FET inputs for I/V conversion offer extra-low distortion and noise. Dual microSD card slots supports 128GB cards for 256GB total The chassis is made of aluminum alloy and features a high-reflectance, fine-grain faceplate