Astell & Kern SR15

Hi-Fi Standards Redefined

SR15 A&norma sets the standard of Hi-Fi audio for novice listeners. The SR15, the first model of A&norma, is the beginning point of the Hi-Fi Audio experience that allows you to enjoy the philosophy and technologies of Astell&Kern, which is accolated by audiophiles around the world.

Dual DAC of CS43198, MasterHIFI™ tier chipsets from Cirrus Logic Enhanced audio processing power and snappy UI with Quad-core CPU Native DSD playback and playback-focused User Interface Powerful audio performance curated by Astell&Kern's know-how

The SR15 is the first model of Astell&Kern's newly introduced standard line.

• Model: SR15
• Body Color: Dark Gray
• Body Material: Aluminum
• Display: 3.3inch WVGA (480 x 800) TFT LCD
• Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA
• Sample rate: PCM : 8kHz ~ 192kHz (8/16/24bits per Sample)
  / DSD Native : DSD64(1bit 2.8MHz), Stereo / DSD to PCM : DSD128(1bit 5.6MHz)
• Output Level: Unbalance 2.0Vrms / Balance 4.0Vrms (Condition No Load)
• DACL Cirrus Logic CS43198 x2 (Dual DAC)
• Decoding: Support up to 24bit / 192kHz Bit to Bit Decoding
• Input: USB Micro-B input (for charging & data transfer (PC & MAC)) / Connection Mode : MTP (Media Device)
• Outputs: PHONES (3.5mm) / Balanced Out (2.5mm, only 4-pole supported)
• Wi-Fi: 802.11 b/g/n (2.4GHz)
• BTV: 4.1 (A2DP, AVRCP, aptXtm HD)
• Dimensions: 2.26 "(57.5 mm) [W] x 3.92 "(99.7 mm) [H] x 0.63 "(16.1 mm) [D]
• Weight: about 5.43 oz (about 154 g)
• Feature Enhancements: Firmware upgrades supported (OTA)

• Audio Performance
• Frequency Response: ±0.030dB (Condition: 20Hz~20kHz) Unbalance / ±0.024dB (Condition: 20Hz~20kHz) Balance
  ±0.038dB (Condition: 10Hz~70kHz) Unbalance / ±0.065dB (Condition: 10Hz~70kHz) Balance
• Signal to Noise Ratio: 122dB @ 1kHz, Unbalance & Balance
• Crosstalk: 137dB @ 1kHz, Unbalance & Balance
• THD: +N0.0008% @ 1kHz, Unbalance / 0.0009% @ 1kHz, Balance
• IMD: SMPTE0.0004% 800Hz 10kHz(4:1) Unbalance & Balance
• Output Impedance: Balanced out 2.5mm (1.6ohm) / PHONES 3.5mm (1.1ohm)

• Clock source
• Clock Jitter: 70ps (Typ)

• Battery
• Capacity: 3,150mAh 3.7V Li-Polymer Battery

• Memory
• Built-in Memory: 64GB [NAND]
• External Memory: microSD (Max. 1TB) x1

• OS
• Supported OSWindows 7,8,10 (32/64bit), MAC OS X 10.7 and up