Tag: A20-Nexus Go

A20-Nexus/Nexus Go v1.54 Firmware

Download Firmware v1.54


  • Added a Waterfall display to the Web App RTSA for monitoring the RTSA history. 
  • Added RSSI Peak Hold to Web App RTSA. 
  • Added new RF History option, RSSI + Q, to the Web App and Nexus front panel RX views. 
  • Added ‘The screen is locked’ popup when a screen is touched in ‘Show Mode’. 
  • Added ability in the Web App to click and drag a transmitter/receiver pair to a new frequency in the RTSA. 


  • Changed RSSI ‘B’ antenna metering and RTSA color to white to clearly differentiate it from the blue of antenna A. 
  • Web App RTSA – new button layout to accomodate Waterfall and Peak Hold features. 
  • RSSI meters behavior changed so that they stay active even with no carrier lock. 


  • Improvements to NexLink reconnection after transmitters are powered down or go out of range. 
  • Various RF tuning and diversity enhancements. 
  • Export Trace CSV format modifications for improved compatibility with database programs such as IAS, Wireless Workbench, etc. 
  • Fixed bug in power source selection where PoE warning could pop-up even with DC powering 

A20-Nexus/Nexus Go v1.53 Firmware

Download Firmware v1.53


  • Touch can now be disabled to prevent inadvertent switching of the screens to different views. Press and hold the Headphone Knob for > 2 secs to disable and re-enable. Disabled touch is indicated by a thin orange border surrounding the four OLEDs. The Headphone Knob and Triangle button remain active when touch is disabled. 


  • Rare distortion with very low frequency signal sources no longer occurs. 
  • Random freezing of the Web App Scan view no longer occurs. 

Sound Devices L.A. Wireless Workshop

Sep 15, 2023 – Sep 18, 2023

Visit Sound Devices at stand 8.C95 at the IBC tradeshow, September 15th-18th in Amsterdam, to get hands-on demos of the latest additions to the Astral family – A20-Nexus Go and A20-TX. The newly introduced A20-TX digital wireless bodypack transmitter has a multipurpose input, flexible powering, and ultra-low-power e-Paper display. Also making its IBC debut will be the A20-Nexus Go multichannel true diversity wireless receiver with 169-1525 MHz global tuning range via SpectraBand, NexLink long-distance remote control of transmitters, and integrated RTSA (real-time spectrum analysis).  

The A20-TX transmitter and A20-Nexus Go receiver will join other Astral-family products in the Sound Devices booth, including the A20-Nexus multichannel, true diversity wireless receiver with SpectraBand, NexLink RTSA, and Power-over-Ethernet and audio via Dante; the svelte A20-Mini bodypack transmitter with GainForward and SpectraBand; and the A20-RX 2-channel slot-in portable true-diversity wireless receiver.  

We will also display our 8-Series line, which includes Scorpio, 888, and 833 mixer-recorders. Designed specifically for sound professionals’ workflows, each 8-Series mixer-recorder has unprecedented recording power and a rugged, efficient interface.   

We plan to celebrate our 25th anniversary in a special way at IBC this year. In addition to demoing our MixPre II Series audio mixers, with crystal-clear, ultra-low-noise Kashmir preamps, 32-bit float bit depth and a 192 kHz sample rate, we’ll have an opportunity for a stand visitor to win a limited-edition silver MixPre-3 II mixer-recorder. Visit stand 8.C95 to learn how to enter the drawing! 

Sound Devices L.A. Wireless Workshop

Aug 30, 2023
Los AngelesCAUnited States (US)

On Wednesday, August 30th, we invite you to join us at a special wireless training event held near Los Angeles. This free educational workshop will be a great opportunity to level up your wireless audio skills and learn about solutions for today’s RF questions.

Where: Group One Limited headquarters, 19801 Nordhoff Place #108, Chatsworth, CA 91311 

When: Wednesday, August 30th 

  • 10:00-12:00: Basic Wireless  
  • 12:00-1:00: Lunch 
  • 1:00-3:00: Advanced Wireless 

Whether you’re new to wireless or have a lot of experience, there will be something to learn. Led by Sound Devices’ RF Applications Engineer Gary Trenda and Technical Specialist Cody Heimann, the workshop will cover a range of topics, from the basics of frequency coordination to RF over fiber. From 10:00am-12:00pm, the courses will be focused on basic wireless topics. From 12:00-1:00pm, we will provide lunch and give you the opportunity to explore some wireless gear up close, including products from our partner companies in the Audiotonix group, Solid State Logic and Calrec. From 1:00-3:00pm, we will go through more advanced wireless audio topics, and then allow ample time for questions. You are welcome to attend one or both of the sessions. 

Seating is limited, so reserve your spot now by filling out the form below.