FiiO X5 High Resolution Lossless Music Player Powerful dual core processor handles all modern lossless formats at up to 192kHz/24B Supports DSD, APE, FLAC, ALAC, WMA, and WAV TI PCM1792A DAC, OPA1612 and LMH6642 op amps for ultra low noise, dynamic, and musical rendering Aluminum unibody construction with premium finish and finely crafted switch gear. Dual microSD card slots supports 128GB cards for 256GB total