Network Player for exaSound DACs
The Sigma Streamer Mark II connects your exaSound USB DAC to the home network and turns it into a streaming device. It delivers seamless, top-quality sound from high-resolution streaming services and local files with Roon, HQPlayer and UPnP. Casual audio streaming is available with Airplay and Bluetooth. 
Extended Hi-Res audio support up to DSD512, DXD, PCM 384 kHz/32bit and MQA is available over wired Ethernet and Wi-Fi connections.
 
Streaming Options
 
  
 
  
 
 
 
  
 
 
 
  
 
 
 
 
 
Tidal Connect support allows the Tidal apps on iOS, Android, Mac OS and Windows devices to stream directly to the Sigma Streamer Mark II. Master-quality Tidal and Qobuz Hi-Res streaming is also available with Roon. The UPnP apps Mconnect Player HD and Bubble UPnP offer simplicity while delivering uncompromised sound fidelity for all high-resolution formats.  
Newly released Web Streaming brings high-end audio experience with the world's most popular player - YouTube. The video experience is included. Web Streaming also offers Qobuz Hi-Res audio up to PCM 192 KHz and access to thousands of Internet radio stations with Tune-In Radio.
Sigma Streamer Mark II can be used with the Roon Nucleus and with PC and Mac-based Roon servers. Sigma Streamer Mark II offers tight integration and improved ergonomics when coupled with the exaSound-made 
Delta Server M200 and 
Delta Server M150 . In addition, Delta M200 delivers the highest CPU performance when DSP processing is required with Roon. 
The exaSound Sigma Streamer is a Stereophile Recommended Class A audio component. It offers the best of the proprietary and the open-source audio technologies. 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
    - In-house developed unique true asynchronous USB interface with error correction assures accurate data reception
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, DSD512
- DXD 352.8kHz /32bit
- PCM 44.1 to 384 kHz / 32 bit
- MQA Full Unfold with exaSound e32 and e62 DACs
- Wireless Wi-Fi 802.11ac connections supports DSD 512 and PCM 384 kHz / 32 bit 
- Multi-channel playback via Gigabit Ethernet connection up to DSD 256 and PCM 384 KHz / 32 bit
Server Support
    - External: Roon Server, Signalyst HQplayer, JRiver, UPnP/OpenHome
- Built-in: UPnP Server for use with attached USB drives
Technologies
    - Audio streaming protocols: Roon RAAT, Signalyst NAA, UPnP, Open Home, Tidal Connect, AirPlay, Bluetooth
    
- Web Streaming: YouTube, YouTube Music, Qobuz, TuneIn Radio
- Networking: Gigabit Ethernet, Wi-Fi 802.11ac
    
- Web interface for remote operation and advanced configuration from a mobile device
    
- Remote support
    
- Remote upgrade