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Sonifex

RB-UL4 Quad Stereo Unbalanced to Balanced Converter | Professional Line Level Interface

Sonifex Audio Converter
Professional broadcast product designed for reliable production, streaming, and modern media workflows.
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Key Features

Key Features

  • Quad Stereo Unbalanced-to-Balanced Conversion
  • Independent Left/Right Gain Adjustment
  • High-Fidelity, Low-Noise Audio Performance
  • RCA Inputs & Balanced XLR Outputs
  • Professional 1U Broadcast Rack Design
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Features & Specifications

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Product Overview +

The Ultimate High-Density Interface

The RB-UL4 is the professional engineer's solution for consolidating multiple consumer or semi-professional audio devices into a single, managed broadcast workflow. By converting four stereo unbalanced pairs into four professional-grade balanced pairs, it eliminates ground loops and interference, ensuring that signals from portable recorders, mobile devices, or media players are perfectly suited for professional mixing consoles and distribution systems.

Engineered for Reliability

In fast-paced broadcast environments, simplicity and reliability are paramount. The RB-UL4’s "set-and-forget" gain structure and rugged 19-inch rack-mount design make it a low-maintenance, high-performance workhorse. Whether it is used in a radio station master control room or a multi-room production facility, this unit provides the connectivity and fidelity required to maintain studio standards.

Trusted Worldwide

Widely utilized in broadcast infrastructure across Pakistan, Africa, and the UAE, the RB-UL4 is a proven solution for facilities that demand efficiency. Its ability to handle four stereo signals in one 1U unit saves precious rack space while guaranteeing that every input source is normalized and balanced to meet the rigorous demands of professional on-air production.

Technical Specifications +
RB-UL4 Quad Stereo Unbalanced to Balanced Converter | Professional Line Level Interface technical specifications