Astell &Kern A&Norma SR15, Digital Audio Player: Dual DAC Portable DAP (SR 15)
Astell&Kern A&norma SR15 Digital Audio Player with Dual DAC
Astell&Kern A&norma SR15
-Hi-Fi Standards Redefined-
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
GENERAL SPECIFICATIONS
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
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)
DAC: 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)
Bluetooth: V4.1 (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+N: 0.0008% @ 1kHz, Unbalance / 0.0009% @ 1kHz, Balance
IMD SMPTE: 0.0004% 800Hz 10kHz(4:1) Unbalance & Balance
Output Impedance: Balanced out 2.5mm (1.6ohm) / PHONES 3.5mm (1.1ohm)
Clock source
Clock Jitter: 45ps (Typ)
Battery Capacity: 3,150mAh 3.7V Li-Polymer Battery
Memory
Built-in Memory: 64GB [NAND]
External Memory: microSD (Max 400GB) x1
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