ASTELL&KERN A&futura SE300

SPECIFICATIONS
Material: Aluminum and Stainless Steel
Supported OS: Windows 10, 11 (32/64bit) Mac OS X 10.7
Astell&Kern 1 Year Warranty
Display: 5.46" HD 1080 x 1920 touch
Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
Sample Rate :
PCM: 8kHz ~ 384kHz (8/16/24/32-bits per Sample)
DSD Native: DSD64 (1-bit, 2.8MHz) Stereo | DSD128 (1-bit, 5.6MHz) Stereo | DSD256 (1-bit, 11.2MHz) Stereo
Output Level :
[Normal] UnBAL 2.Vrms | BAL 4Vrms (No Load)
[High] UnBAL 3.Vrms | BAL 6Vrms (No Load)
CPU: Quad-Core
DAC: Full Discrete R-2R
Decoding: Support up to 32-Bit / 384kHz Playback
Input: USB-C (for charging & PC/MAC)
Outputs :
UnBAL: 3.5mm (Optical)
BAL: 2.5mm, 4-pole | 4.4mm, 5-pole
Wi-Fi: 802.11 a/b/g/n/ac (2.4/5GHz)
Bluetooth: v5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)
Dimensions: 3.01" x 5.49” x 0.69"
Weight: About 11.18 oz
Firmware upgrade supported (OTA)
Operating Temp: 0℃ ~ + 40℃ (32℉~ 104℉)
Audio

Frequency Response :
±0.038dB (20Hz~20kHz)
±0.45dB (20Hz~70kHz)
S/NR (Normal): 114dB @ 1kHz, UnBAL │ 115dB @ 1kHz, BAL
S/NR (High): 115dB @ 1kHz
Crosstalk: -135dB @ 1kHz, UnBAL │ -144dB @ 1kHz, BAL
THD+N: 0.006% @ 1kHz
IMD SMPTE: 0.005% 800Hz 10kHz (4:1)
Output Impedance: 1.3Ω, all outputs

Clock Source :
Jitter: 25pS (Typ)
Reference Clock Jitter: 500 Femto Seconds
Storage Capacity :
Built-In Memory: 256GB [NAND]
External Memory: (x1) microSD (Max. 1TB)
Battery :
Capacity: 5050mAh, 3.8V Li-Polymer
Charge Time: About 3.5 hours (9V/1.67A General Charging)
Playback Time: About 12 hours (FLAC, 16-bit, 44.1kHz, Normal Gain, Vol. 50, LCD Off)

IN THE BOX :
SE300 Device
USB-C Cable
Quick Start Guide
microSD card slot cover
Protective Films