Portable USB headphone amps

Specs as supplied by the manufacturer.

Celsus Companion One MSRP $595 (USD, EUR)

USB Audio:

  • Supports PCM and DSD audio formats
  • PCM audio: 16/24/32-bit audio data, 44.1/48/88.2/96/176.4/192/352.8/384 kHz native sample rate.
  • DSD audio: DSD64 and DSD128 native decode.
  • Asynchronous USB audio clocking with two internal low-jitter clocks separately for 44.1kHz (88.2/176.4/352.8) and 48kHz (96/192/384) sampling.
  • Switches between USB High Speed (480Mbps) and Full Speed (12Mbps)
  • Extremely low latency
  • Supports ASIO
  • Supports Windows, Mac, Android (*OTG) and iOS devices

Wi-Fi Streaming:

  • Supports PCM format: 16/24-bit, 44.1 / 48 / 88.2 / 96 / 176.4 / 192KHz
  • Supports uPNP network media streaming and Airplay

Outputs:

  • Digital: Toslink S/PDIF
  • Analog: 3.5mm
  • Volume Control: 100 steps
  • Gain Control: 2 levels, for earphone impedance of 16 to 300 Ohm

 

February 2015