UniPatch® AES Balun Systems & Modules

The new patented AES 110 Ohm to 75 Ohm balun modules provide precision impedance
matching for interfacing balanced twisted pair AES audio to unbalanced coaxial audio.

Eliminate the nuisance of XLR soldering and the mess of baluns hanging from equipment.

Replace them with this clean, simple solution.

Front View

Rear View

UniPatch System fully loaded with 16 AES balun modules for 64 110-75 Ohm circuits
(allows modules to be mounted either way)


Precision transformers, glass epoxy circuit board,
True 75 Ohm BNC connectors

AES 110 Ohm to 75 Ohm

2:4 Splitter

AES 110 Ohm to 75 Ohm

4-circuit BNC to EDAC 3-pin plug

AES 110 Ohm to 75 Ohm

4-circuit BNC to QCP II

AM-2110-475-E3 AM-411075-E3 AM-411075-MKII
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  • Mounts on side of equipment rack with velcro or can be rack mounted
  • Modules contain four circuits for up to 64 circuits per 2 RU chassis.
  • Works with quick-to-install QCP punchdown termination modules or EDAC 3-pin plug.
  • 1 Vp-p plug-in pad is available for equipment that cannot accept high-input voltages.
  • Plug-in pad feature allows each circuit to be tailored for 1 Vp-p operation in 1dB increments to -20dB.
  • New splitter module provides 2-in/4-out passive split/110 to 75 Ohm converter.



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