Sound Devices A20-RX Backplate Adapter (for A10/A20-RX) with options for audio/AES output, choose variant:
A-XLR: cable mount for XLR audio outs (analog or AES), 4-pin Hirose male and female DC power in, and micro-USB connection for firmware updates.
A-TA3: panel mount TA3 audio outs (analog or AES), 4-pin Hirose or TA4 DC power in, and USB-C for firmware updates.
A-SL: 25-Pin D-Type Uni/Superslot adapter for A10/A20-RX. Includes A-PLATE.