ProMS2 - Splitter Radial Engineering - Free user manual and instructions
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| Product Type | Passive Microphone Splitter |
| Brand | Radial Engineering |
| Model | ProMS2 |
| Dimensions (W x D x H) | 5.0 x 3.5 x 1.5 inches (127 x 89 x 38 mm) |
| Weight | 0.9 lbs (0.4 kg) |
| Power Requirement | Passive, no power needed |
| Inputs | 2 x XLR female (channels A & B) |
| Outputs | 4 x XLR male (2 direct, 2 isolated per channel) |
| Transformer Isolation | Yes, on isolated outputs |
| Ground Lift | Per channel, rear panel switch |
| Pad | -20 dB pad on direct outputs |
| Frequency Response | 20 Hz - 20 kHz |
| Impedance (Input) | 10 kΩ (balanced) |
| Impedance (Output) | 600 Ω (transformer isolated) |
| Noise Floor | Better than -100 dBu |
| Construction | Steel chassis with I-beam impact resistance |
| Connectors | Nickel-plated XLR |
| Warranty | 3-year transferable |
| Features | 2-channel splitter with isolated outputs, ground lift, pad, and book-end design |
| Included Accessories | Quick start guide, rubber feet |
| Cleaning | Wipe with dry cloth; avoid liquids |
Frequently Asked Questions - ProMS2 Radial Engineering
What is the Radial ProMS2 used for?
The ProMS2 is a passive 2-channel microphone splitter used to send one microphone signal to multiple destinations (e.g., FOH and monitors) with transformer isolation to eliminate ground loops.
Does the ProMS2 require external power?
No, the ProMS2 is fully passive and requires no external power source. It uses transformers for isolation.
What is the ground lift switch for?
The ground lift switch disconnects pin 1 on the isolated outputs to break ground loops between connected equipment, reducing hum and buzz.
How many outputs does each channel have?
Each channel has two outputs: one direct and one transformer-isolated, totaling four outputs for two channels.
Can I use the ProMS2 with phantom power?
Yes, the direct outputs pass phantom power through, while the isolated outputs block phantom power to protect the microphone preamp.
What is the -20 dB pad used for?
The -20 dB pad attenuates the signal on the direct outputs by 20 dB, useful for hot microphone signals to prevent distortion.
Is the ProMS2 rack-mountable?
No, it is a compact desktop unit, but optional rack-mount kits (like Radial WM-4) may be used with adapters.
What is the frequency response of the ProMS2?
The frequency response is 20 Hz to 20 kHz with minimal loss, suitable for professional audio applications.
How do I clean the ProMS2?
Use a soft dry cloth to wipe the chassis. Avoid any liquids or chemicals, as they may damage the finish.
What connectors does the ProMS2 use?
It uses XLR connectors: female inputs and male outputs. All connectors are nickel-plated for durability.
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USER MANUAL ProMS2 Radial Engineering
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Product information
Brand : Radial Engineering
Model : ProMS2
Category : Splitter