Astell&Kern SR25 MKII Dual Dac, high res portable music player. A&K added 4.4mm balanced output, perfect for many new headphones & earphones. A&K improved the sound quality with their new Teraton amp tech and the wireless music transfer, with BT Sink (bluetooth) and Wireless File Transfer (wifi).
Astell&Kern A&norma SR25 MKII has 64gb of storage built in and a micro sd slot so you can add your own storage. You can also add a variety of music streaming apps that are one touch download on the device: Tidal, Spotify, Amazon Music, Moov, Qobuz, Deezer, Flo, Apple Music.
You can store music for offline playback via Tidal and Spotify and the SR25 MKII is MQA certified, perfect for Tidal Masters music. V-link app built in, which is a youtube app, giving you access to the massive youtube library of live and indie performances.
The SR25 MKII provides impressive sound quality, high end earphones are brought to life and many full size headphones are very well powered with the SR25 MKII. The 2.5 or 4.4mm balanced outputs offer higher output and better stereo separation. The 150 volume notches makes it easy to find the perfect volume, with super sensitive earphones or full size cans.
Techradar.com: 5 Stars, Editor's Choice. A&norma SR25 MKII portable music player boasts a rock-solid brutalist beauty, outstanding sound quality and extensive features...for this money, the A&norma SR25 MKII cannot be beaten sonically.