The Sonifex CM-ULR1 Unbalanced to Balanced Audio Converter product allows the connection of a stereo unbalanced line input on phono connectors to a balanced line output via a RJ45 with StudioHub+™ pinout.
Sonifex CM-ULR1 Original price was: €280.00.Current price is: €260.00.
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The Sonifex CM-MNT1 mounting plate allows all the Passive Packs, along with the CM-TBU and CM-TLL, to be mounted to the underside of a desk. This fixes to the top side of the product and screws to the underside of a surface.
Sonifex CM-MNT1 Original price was: €35.00.Current price is: €30.00.

Sonifex CM-ULX1

The Sonifex CM-ULX1 is a passive version of the RB-UL1, and provides you with an alternative to wiring an unbalanced output directly into a balanced input.

Original price was: €280.00.Current price is: €260.00.

SKU: 106052 Brand:Sonifex

Sonifex CM-ULX1 – Unbalanced to Balanced Audio Converter

The Sonifex CM-ULX1 is a professional-grade audio interface designed to convert unbalanced mono audio signals into balanced mono signals. Built for use in broadcast, studio, and live sound environments, it ensures cleaner signal transmission over long cable runs and eliminates noise and interference often associated with unbalanced connections.

This compact yet powerful converter is ideal for connecting consumer or semi-professional audio sources—such as CD players, media devices, and portable recorders—into professional balanced-line inputs found in mixers, processors, or audio routers.

🟢 Unbalanced to Balanced Conversion – Converts mono unbalanced audio to a clean, balanced output
🟢 Enhanced Signal Integrity – Reduces hum and interference over long cable distances
🟢 Ideal for Broadcast & Studio Use – Ensures compatibility between consumer devices and pro audio gear
🟢 Transformer-Coupled Output – Provides galvanic isolation and superior audio performance
🟢 Compact & Durable Design – Housed in a rugged, install-friendly case for permanent or portable setups
🟢 Plug-and-Play Operation – No configuration required—just connect and go
🟢 Professional Audio Quality – Designed by Sonifex for pristine sound with minimal distortion

Whether you’re integrating older or unbalanced equipment into a modern, balanced audio system or simply looking for a reliable conversion solution, the CM-ULX1 delivers high-performance signal integrity in any environment.

Engineered with precision and trusted by professionals worldwide, the Sonifex CM-ULX1 is the go-to solution for noise-free, balanced audio in demanding broadcast and AV installations.