Sound Devices – A20-Nexus Go True-diversity Wireless Receiver


The A20-Nexus Go is expandable from 4 channels up to 6 and 8 channels with additional software, and features forward-thinking technologies like SpectraBand, the powerful NexLink remote-control link, real time spectrum analysis, and more.

✔️ Expandable up to 6 & 8 Channels

✔️ NexLink remote-control link

✔️ SpectraBand (169 MHz-1525 MHz)

✔️ Real time spectrum analysis (RTSA)


Available on backorder

The future of wireless audio is here!

Introducing the Sound Devices A20-Nexus Go, a half-rack receiver with all the features of a full-sized rack. Sound Devices’ A20-Nexus Go true-diversity wireless receiver was made with portability in mind. The A20-Nexus Go not only offers the ability to be expanded from 4 to 6 and 8 channels with additional software, but also comes equipped with advanced technologies like SpectraBand, NexLink remote control, real-time spectrum analysis, and more. Furthermore, this receiver offers a wide range of features and capabilities in a compact form factor, making it a valuable addition to any professional’s wireless toolkit. In short, this receiver offers a wide range of features and capabilities in a compact form factor. With multiple options for audio outputs, power, and remote control, the A20-Nexus Go can adapt to your workflow seamlessly, both now and in the future.

By utilizing the NexLink protocol, the A20-Nexus Go receiver has full long-range remote control of transmitters, even in the presence of on-set 2.4 GHz interference. 

GainForward Architecture

Easily set the gain on your A20-Nexus Go directly from the receiver. With GainForward Architecture, you can control gain locally without having to adjust it on the transmitter. This means no more fiddling with tiny buttons or trying to reach awkward spots. Just set it and forget it.

Real-time spectrum analysis

Gone are the days of waiting for scan results. Visualise the RF spectrum in real-time and coordinate frequencies while monitoring audio. The Sound Devices A20-Nexus Go’s real-time spectrum analysis makes it easy to avoid interference and ensure clear audio transmission.


Save time on set. The AutoAssign function automatically scans the current tuning band for clean frequencies and assigns them to multiple channels. The clean frequencies are then automatically pushed to transmitters linked to the NexLink protocol. This is all done with one button in mere seconds. 

Key Features

4-channel ultra-high-performance, true-diversity receivers in a ½ rack size (8.0” x 6.6” x 1.6” / 20.3cm x 16.8cm x 4.1cm). Supports GainForward Architecture: No gain setting on the A20 transmitter. Adjust gain at the receiver or mixer.
Expandable to 6 or 8 channels via A20-Nexus Go 2-Channel Expansion Licenses. 100% digital long-range modulation delivers the longest transmission distance of any digital system on the market.
169 MHz – 1525 MHz tuning range via Sound Devices’ proprietary SpectraBand Technology. RF SAW filters for excellent rejection of interference from nearby IFB or camera hop transmitters.
Sound Devices NexLink: integrated, long-distance remote control of all wireless transmitters, including group power on/off. Excellent audio quality, full 10 Hz – 20 kHz audio bandwidth.
AutoAssign: automatic deployment of clean frequencies in seconds. BNC timecode input for auto timecode sync of transmitters over NexLink.
Integrated Real Time Spectrum Analyzer (RTSA) and scanning for intuitive frequency coordination. Front panel and rear panel BNC antenna inputs. Compatible with passive and bias-powered antennas
Flexible powering: via DC input, 8-Series, or AC mains (with optional adapter). Supports control of the Wisycom LFA smart antenna.
DB-25 connector for 8 channels of mic, line, or AES outputs. Cascade out option on rear BNCs for cascading multiple A20-Nexus Go units.
Wide, 6.2” color OLED array with touch for control and monitoring. USB-A port for thumb drives, keyboards, transmitter pairing, and timecode syncing. Supports USB hubs.
A20-QuickDock allows docking and undocking in seconds from Sound Devices 8-Series mixer-recorders with no tools or additional hardware.  


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