Conference – Sonifex DHY03 – Telephone Balancing Unit

Conference – Sonifex DHY03 – Telephone Balancing Unit

Telephone hybrids, or telephone balance units (TBUs) provide the interface between professional audio equipment and the public telephone network. They provide protection for your equipment and the public telephone lines, allowing for varying line signals and line conditions. Automatically cancelling out the unwanted signal they also facilitate two-way communication down a single telephone line.

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