The A20-SuperNexus is a gamechanger. A 16-channel receiver with HexVersity® (2- to 6-antenna diversity), expandable to 32 channels via software licenses – all in just a 1U 19” rack, A20-SuperNexus keeps your kit small and saves space in your rack. Take it on tour without worrying about tuning bands – it boasts a 169-1525MHz tuning range for worldwide operation. A20-SuperNexus gives you peace of mind with its RF Mirror Mode for full redundant operation.

Main Features

  • 16 channels all with HexVersity® (2-, 3-, 4-, 5-, or 6-antenna diversity) in 1U rack space 
  • Expandable to 32 channels (all with HexVersity) in the same rack space via Software Licenses  
  • 169 – 1525 MHz tuning range for full global coverage 
  • RF Mirror Mode for full redundant operation 

Additional Features

  • Native Dante, MADI, AES, and Analog outputs
  • SpectraBand with 3 Tuning Bands for a total of ~72 MHz of operating bandwidth for transmitters
  • Optional A20-Opto expansion box to add Optocore audio I/O and full redundant power supplies
  • Simple 1-minute operation to change countries for entire system
  • Built-in long-range NexLink® remote control of all transmitters
  • Integrated Real Time Spectrum Analyzer (RTSA) and scanner for intuitive frequency coordination
  • AutoAssign: automatic deployment of multiple clean frequencies in seconds
  • Built-in 6-to-2 RF combiner for multizone events
  • 6 network ports (2 x RJ45, 4 x SFP) configurable for Dante, Dante Redundancy, and Control
  • Web App control from browser on any computer, smartphone, or tablet
  • Bridging between MADI, Dante, AES, Optocore, and Analog
  • Wide, 12.4” color OLED array with touch for control and monitoring
  • Optical Fiber Ethernet option via two SFP slots.
  • Supports GainForward™ Architecture: No gain setting on the A20 transmitter. Adjust gain at the receiver or mixer
  • 100% digital long-range modulation delivers the longest transmission distance of any digital system on the market
  • RF SAW filters for excellent rejection of interference transmitters
  • Excellent audio quality; full 10 Hz – 20 kHz audio bandwidth
  • BNC timecode input for auto timecode sync of transmitters over NexLink
  • Three BNC antenna input pairs, each compatible with passive, bias-powered, and smart antennas. Configurable for HexVersity or combiner modes
  • Cascade out option on rear BNCs for cascading to other receivers
  • Automatic Antenna zero loss loop through in the event of power loss for redundant operation
  • Front-panel 3.5 mm and ¼” headphone outputs
  • USB-A and USB-C ports for thumb drives, keyboards, transmitter pairing, and timecode syncing Support for USB hubs
  • PoE+ output for powering external PoE+ powered device, including the A20-Outpost-NL
  • On-the-fly audio output routing changes directly from the A20-HH and A20-TX. Ideal for talkback, guitar tuning etc.
  • Wireless transmitter pairing to Astral receivers in addition to pairing via USB cable
  • Ad-hoc handoff of transmitters’ Nexlink control between Astral receivers, ideal for large reality shows
  • A20-SuperNexus digital audio outputs increased (Optocore, Dante, MADI) to 64 channels
  • Flexible tone routing matrix