RB-MM1 Mix-Minus Generator | Precision Clean-Feed Solution for Broadcast

Sonifex Telephone Hybrid

Professional broadcast product designed for reliable production, streaming, and modern media workflows.

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Key Features

Professional Mix-Minus Audio Generation
Dual-Band Echo Cancellation Controls
Switchable Telephone Band-Pass Filter
High-Fidelity Low-Distortion Audio Path
Balanced XLR Broadcast Connectivity

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Product Overview +

Eliminating the "Distracting Delay"

In live phone-in broadcasts, hearing one's own voice back with a delay is highly distracting for remote guests. The RB-MM1 is the essential solution for professional radio and television studios, allowing you to feed a clean program mix to a telephone hybrid or codec while surgically removing the caller's own voice from that feed.

Engineered for Flexibility

The RB-MM1 adapts to your technical requirements. Whether you are using a standard hybrid that requires narrow-band voice-grade audio, or a full-band stereo ISDN codec, the unit provides the necessary filtering and nulling adjustments to guarantee clean, professional results. Multiple units can even be linked for conference calls or multi-hybrid setups.

Broadcast Reliability

Built for the demanding environments of broadcast head-ends and remote outstations, the RB-MM1 offers a "set-and-forget" utility that ensures your communication links are stable and free of feedback. Its compact 1U rack-mount design and meticulous engineering make it a trusted tool for technical directors and studio engineers who require absolute consistency in their audio infrastructure.

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