Astell&Kern A&ultima SP4000

Astell&Kern A&ultima SP4000 Specifications

• Operating System (OS):
  Full Android OS with Google Play Support

• User Interface:
  Astell&Kern UI 4.5

• Op-Amp Configuration:
  Dual op-amps in parallel configuration

• DAC Configuration:
  4x AK4191 digital processor and 4x AK4499EX analog DAC

• Bluetooth Codecs Supported:
  aptX Adaptive / LDAC support

• DAR (Digital Audio Remaster) Technology:
  2nd generation DAR technology

• ESA (Enhanced Signal Alignment) Technology:
  Yes – Enhanced Signal Alignment (ESA) Technology