Astell & Kern SE300 Analog Sound R-2R DAC TERATON ALPHA Dual AMP ClassA/AB BT5.0

Specifications 

• Model 

  SE300

• Body Color 

  Platinum Silver

• Body Material 

  Aluminum and Stainless Steel

• Display 

  5.46inch HD 1080 x 1920 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 : DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo

• Output Level 

  [Normal] Unbalanced 2Vrms │ Balanced 4Vrms (Condition No Load)
  [High] Unbalanced 3Vrms │ Balanced 6Vrms (Condition No Load)

• CPU 

  Quad-core

• DAC 

  Full Discrete R-2R

• Decoding 

  Support up to 32bit / 384kHz playback

• Input 

  USB Type-C input (for charging & PC & MAC)

• Outputs 

  Unbalanced Out (3.5mm), Optical 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 (2.4/5 GHz)

• Bluetooth 

  V5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)

• Dimensions 

  3.01” (76.45mm)[W] x 5.49” (139.45mm)[H] x 0.69” (17.6mm)[D]

• Weight 

  About 11.18oz (317g)

• Feature Enhancements 

  Firmware upgrade supported (OTA)

• Operating Temperature 

  0℃ to +40℃ (32℉ to 104℉)

• Audio Performance 
• Frequency Response 

  ±0.038dB (Condition : 20Hz~20kHz) Unbalanced │Balanced
  ±0.45dB (Condition : 20Hz~70kHz) Unbalanced │Balanced

• S/N 

  114dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (Normal Gain)
  115dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (High Gain)

• Crosstalk 

  -135dB @ 1kHz, Unbalanced │ -144dB @ 1kHz, Balanced

• THD+N 

  0.006% @ 1kHz, Unbalanced │ 0.006% @ 1kHz, Balanced

• IMD SMPTE 

  0.005% 800Hz 10kHz (4:1) Unbalanced |Balanced

• Output Impedance 

  Unbalanced Out 3.5mm (1.3ohm) │ Balanced Out 2.5mm (1.3ohm), 4.4mm (1.3ohm)

• Clock Source 
• Clock Jitter 

  25pS (Typ)

• Reference Clock Jitter 

  500 Femto Seconds

• Storage Capacity 
• Built-in Memory 

  256 GB [NAND]

• External Memory 

  microSD x1 (Max. 1TB)

• Battery 
• Capacity 

  5,050mAh 3.8V Li-Polymer

• Charge Time 

  about 3.5hours (9V 1.67A Charging)

• Playback Time 

  about 12hours (Standard : FLAC, 16bit, 44.1kHz, Vol.50, LCD Off, Normal Gain)

• Support OS
•  

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

• Etc.

•  

  - Recommended Headphone Impedance : 16~300Ω
  - Audio was NOT muted during the measurement.
  - The image/specification may be changed without notice to improve product performance and quality.