Product Description ... Further improve the DP-X1 It was born from the insistence of the ONKYO Hi-Res corresponding DAC , Onkyo was born from the commitment to thought design and high-quality audio, high-resolution corresponding DAP Including Japan's largest hi-res sound source distribution site "e-onkyo music", headphones or portable headphone amplifier, such as the release of HF Player, Onkyo has always leading the high-resolution world is, punching commitment to high-quality sound, it has developed as an audio manufacturer the know-how was unstintingly, high-resolution corresponding digital audio player (DAP) "DP-X1A". A high-resolution instruments and music streaming, every day where you can enjoy anytime, anywhere, high-quality audio, begins from here. â- Corresponding to all hi-res sound source â- Corresponding to the most recent "MQA" â- It can be extended up to a maximum of 464GB storage â- Equipped with the highest level of DAC and amplifier by 2 groups â- Two balance drive that you can select according to preference â- ~ To real-time DSD conversion - DSD sound quality â- - To the up-sampling - Hi-Res Sound Quality â- Smooth sound quality switching during playback