Teac HA-P90SD-B Portable Hi-Resolution Digital Audio Player/Headphone Amplifier, Black DSD128 (5.6MHz) or DSD64 (2.8MHz) native playback from inserted micro SD card. Multi-function input jack compatible with analog line, and digital optical and coaxial inputs. Maximum micro SD card capacity: 128GB Compatible digital input formats: PCM44.1k/48k/88.2k/96k/176.4k/192kHz, 16/24-bit DSD64 (2.8M)/DSD128 (5.6MHz),1-bitUSB A, USB Micro ports only Compatible sound file formats: WAV, MP3, AAC, WMA, FLAC, DSF, and DSDIFF (DFF)