Astell&Kern A&norma SR35

Included in the box

1x Astell&Kern A&norma SR35 player
1x USB-C to USB-C Cable
3x Screen protectors
1x Quick start guide
1x Warranty Card

General Specifications

Model
SR35
Body Colour
Charcoal Grey
Body Material
Aluminium
Display
3.6-inch HD 720 x 1280 px touch screen
Supported Audio Formats
WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
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
[Normal] Unbalanced 2.1Vrms │ Balanced 4Vrms (Condition No Load) [High] Unbalanced 3.1Vrms │ Balanced 6Vrms (Condition No Load)
CPU
Quad-core
DAC
Cirus Logic CS43198 x4 (Quad-DAC)
Decoding
Support up to 32bit / 384kHz Bit to Bit playback
Input
USB Type-C input (for charging & PC & MAC)
Outputs
Unbalanced Out (3.5mm), Balanced Out (2.5mm, only 4-pole supported / 4.4m, only 5-pole supported)
Wi-Fi
802.11 a/b/g/n/ac (2.4&5GHz)
Bluetooth
V5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)
Dimensions
2.51” (64mm)[W] x 4.26” (108.3mm)[H] x 0.63” (16.1mm)[D]
Weight
about 184g (6.49oz)
Firmware upgrade supported
(OTA)
Operating Temperature
0℃ ~ + 40℃ (32℉~ 104℉)

Audio performance

Frequency Response

±0.012dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.011dB (Condition : 20Hz~20kHz) Balanced
±0.125dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.126dB (Condition : 20Hz~70kHz) Balanced

S/N

127dB @ 1kHz, Unbalanced
130dB @ 1kHz, Balanced

Crosstalk

-133dB @ 1kHz, Unbalanced
-145dB @ 1kHz, Balanced

THD+N

0.0005% @ 1kHz, Unbalanced
0.0006% @ 1kHz, Balanced

MD SMPTE

0.0002% 800Hz 10kHz (4:1) Unbalanced
0.0002% 800Hz 10kHz (4:1) Balanced

Output Impedance

Unbalanced Out 3.5mm (1.1ohm)
Balanced Out 2.5mm, 4.4mm (2.7ohm)

Clock Source

Clock Jitter
25pS (Typ)
Reference Clock Jitter
70ps

Storage Capacity

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

Battery

Capacity
3,150mAh 3.7V Li-Polymer
Charge Time
about 2.5hours (5V 2A General Charging)
Playback Time
about 20hours (Standard : FLAC, 16bit, 44.1kHz, Normal Gain, Unbalanced, Vol.50, LCD Off, Dual DAC Mode)

Supported OS

Supported OS
Windows 10, 11(32/64bit) MAC OS X 10.7