Beginning with the AK70, Astell&Kern's goal was to bring high-resolution audio and the Astell&Kern sound to more music lovers. This goal continued with the successor to the AK70, the A&norma SR15, and now evolves further as the SR25, a premium product that fully embraces Astell&Kern's philosophy and technology, is now available to the masses. The SR25 is the latest answer to our never-ending question of "How do we get closer to the original sound the artist intended?" The SR25 improves on the SR15 by:

The essence of Astell&Kern's philosophy that sound quality is never compromised is exemplified in the SR25, which expresses every musical detail and bit-perfect playback as only Astell&Kern can.

• Model 

  SR25

• Body Color 

  Moon Silver, Onyx Black

• Body Material 

  Aluminum

• Display 

  3.6inch WVGA (720 x 1,280) TFT LCD

• Supported Audio Formats 

  WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA

• MQA playback 

  Services(Tidal Masters), Local files, External USB, MQA-CD(ripped)

• Sample rate 

  PCM : 8kHz ~ 384kHz (8/16/24/32bits per Sample) / DSD Native: DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo

• Output Level 

  Unbalanced 2.0Vrms / Balanced 4.0Vrms (Condition No Load)

• CPU 

  Quad-Core

• DAC 

  Cirrus Logic CS43198 x2 (Dual DAC)

• Decoding 

  Support up to 32bit / 384kHz Bit-to-Bit Playback

• Input 

  USB Type-C input (for PC & MAC)

• Outputs 

  Unbalanced Out (3.5mm) / Balanced Out (2.5mm, only 4-pole supported)

• Wi-Fi 

  802.11 b/g/n (2.4GHz)

• Bluetooth 

  V4.2 (A2DP, AVRCP, aptXTM HD, LDAC)

• Dimensions 

  2.5 ”(63.5 mm) [W] x 4.26 ”(108.3 mm) [H] x 0.63 ”(16.1 mm) [D]

• Weight 

  about 6.27 oz (about 178 g)

• Feature Enhancements 

  Firmware upgrades supported (OTA)