Sonifex RB-MS4X3 Quad 3 Way Passive Microphone Splitter
The Sonifex RB-MS4X3 Quad 3 Way Passive Microphone Splitter makes it easy to send one microphone or line signal to up to three different places at once. Built into a sturdy 19-inch rack unit, it’s perfect for live shows, studio work, or any setup where you need clear, reliable audio sent to multiple destinations. With its high-quality parts and smart design, this splitter keeps your sound clean and true.
Sonifex RB-MS4X3 Quad 3 Way Passive Microphone Splitter Review
Packed with premium audio transformers, the Sonifex RB-MS4X3 handles signals up to +18dBu, making it equally at home with microphones or line-level sources. It includes a handy 30dB pad for safely connecting line signals into mic inputs and offers three different phantom power options, giving you flexibility and redundancy. Ground loop hum? No problem — the RB-MS4X3 lets you lift pin 1 on select outputs to quickly silence unwanted noise. Its front panel switches and indicators make setup simple, even in fast-paced environments.
Sonifex RB-MS4X3 Quad 3 Way Passive Microphone Splitter Features
- Sends one microphone or line signal to up to three different outputs
- Works with both mic and line sources without losing sound quality
- Three ways to provide phantom power for flexible setups
- Built-in hum elimination switch for clean audio
- Easy-to-use front panel controls and indicators
- Rugged rackmount design for live or studio use
Sonifex RB-MS4X3 Quad 3 Way Passive Microphone Splitter Specs
- Handles input levels up to +18dBu
- Frequency response from 10Hz to 30kHz ±0.5dB
- Total harmonic distortion as low as 0.02%
- Inputs 4 x XLR 3-pin female, Outputs 12 x XLR 3-pin male
- DC phantom power input +48V DC, 2.5mm socket
- Size (unit) 19in W x 4.25in D x 1.65in H (1U rackmount)
- Weight 3.3lb



