Sonifex RB-MM1 Mix-Minus Generator
The Sonifex RB-MM1 Mix-Minus Generator is your secret weapon for clean, professional phone-ins and remote broadcasts. If you've ever dealt with callers hearing their own voice in delay, you know how distracting that can be. This device fixes that by sending a clean audio mix back to your guest—without their own voice. Whether you're running a live show or setting up interviews with remote talent, this simple box helps everything sound smoother and more natural.
Sonifex RB-MM1 Mix-Minus Generator Review
The Sonifex RB-MM1 Mix-Minus Generator is designed with both flexibility and performance in mind. It connects easily to your existing mixer using balanced XLR inputs and outputs, making setup fast and painless. You get fine control over audio levels, signal clarity, and cancellation—so the caller never hears themselves in the return feed. With its adjustable filters and null settings, it’s perfect for a variety of setups, whether you’re using hybrids, ISDN codecs, or conference systems. If your mixer lacks a dedicated telco output, this unit is a lifesaver.
Sonifex RB-MM1 Mix-Minus Generator Features
- Keeps callers from hearing themselves by removing their voice from the return feed
- Lets you adjust the audio level going back to the caller
- Helps your show sound smooth and professional, even with remote guests
- Works great with phone systems, hybrid lines, and broadcast setups
- Compact size makes it easy to add to any setup
- Built tough with high-quality connectors for long-lasting use
Sonifex RB-MM1 Mix-Minus Generator Specs
- Balanced XLR inputs and outputs for stereo mixer and telephone fader connections
- Handles input and output levels up to +28dBu
- Output gain adjustable from -15dB to +12dB with fine-tune control
- Band pass filter ranges from 200Hz to 4kHz with 12dB per octave slope
- Runs on 110–120V or 220–240V AC power using a standard IEC connector
- Unit measures 11in wide, 4.3in deep, and 1.7in high; weighs 2.4lbs
