Saturday, June 15, 2019
Sigma Streamer
Network Player for exaSound DACs

The exaSound Sigma connects your exaSound DAC to the home network and turns it into a streaming device. It delivers seamless, top-quality sound with Roon, HQPlayer, UPnP and Airplay.

Extended Hi-Res audio support up to DSD256, DXD, PCM 384 kHz/32bit and MQA is available over wired Ethernet and Wi-Fi 802.11 AC connection.

Tidal, Qobus, Spotify and other Internet streaming services are available with Roon or with popular apps including Bubble UPnP and MconnectHD.


HQPlayer NAA

exaSound Sigma Streamer offers the best of the proprietary and the open-source audio technologies in one compact component. For most applications it can be used right out of the box with zero-setup. Advanced configurations are available via Web-browser user interface.

ZeroJitter™ Asynchronous Bitperfect Streaming

ZeroResolutionLoss™ Volume Control
  • All-time 0dB full-scale streaming
  • 4-way volume synchronization
  • Volume trimming for individual channels
  • Volume bypass
ENclusiv™ Comprehensive Sampling Rate support in stereo and multi-channel:
  • Native DSD64, DSD128, DSD256
  • DXD 352.8kHz /32bit
  • PCM 44.1 to 384 kHz/32 bit
  • MQA Full Unfold with Supported DACs
  • DSD 512 / PCM 768 kHz-ready for future use with next generation DACs
  • Wireless Wi-Fi 802.11ac connections supports stereo DSD 256 and stereo PCM 384 kHz / 32 bit
  • Multi-channel playback via Gigabit Ethernet connection
Server Support
  • External: Roon Server, Signalyst HQplayer, JRiver, UPnP/OpenHome
  • Built-in: UPnP Server for use with attached USB drive. Up to eight USB drives can be attached with external powered USB hub.
  • Audio streaming protocols: Roon RAAT, Signalyst NAA, UPnP, Open Home, AirPlay
  • Networking: Gigabit Ethernet, Wi-Fi 802.11ac
  • Web interface for remote operation and advanced configuration from a mobile device
  • Remote support
  • Remote upgrade


Sigma Streamer is a certified RoonReady device. RoonReady means that it transparently discovers and connects to Roon with no network configuration and delivers bitperfect audio to your exaSound DAC.

Roon Ready is the highest level of Roon integration. Roon technology is customized and embedded both in the player and the DAC for achieving best user experience. Together, Roon and exaSound deliver the power, flexibility, and performance benefits of networked audio, with the easiest setup and highest reliability available.

Learn more here: How Roon Works

When used with the exaSound e32 Mark II DAC, the Sigma Streamer supports full MQA decoding and rendering Hi-Res music data up to 24-bit 384kHz. Visit for more information.

Bundle pricing is available for the Sigma Streamer in combination with the e32 Mark II DAC.

Maximum sampling rate DSD  DSD256
 Maximum sampling rate PCM
 PCM 384kHz/32-bit
PCM 768kHz-Ready
MQA Support
(Requires Compatible DAC)
 Full Unfold up to
384 kHz
Web user interface  Yes
 1.83GHz, Quad-Core
UCB Ports
 1xUSB 2.0; 1xUSB 3.0
SSD for Libray Storage
Firmware    Version 20
 Price  US $ 750

Sigma Streamer Owner's Manual
exaSound Sigma Streamer Owner’s Manual.pdf
Last updated on May 07, 2019