CRM 202S-RF RGB

Dual element boundary layer microphone with half cardioid polar pattern.
QUICK SPECS
Type
Dual capsule, condenser
Polar Pattern
Half Cardioid
Frequency Response
50 Hz - 18 KHz
Sensitivity
-37dB +/- 3dB at 1 KHz (0dB = 1 V/Pa)

Engineered for Perfect Speech Capture

Dual element boundary layer microphone with half cardioid polar pattern.

  • ‘RF Friendly’ technology offering immunity from GSM radio frequency interference.
  • Response optimised for consistent sound quality.
  • Low profile at surface level.
  • Each capsule have a half cardioid pattern that are 180° from each other, and can capture two participants on both sides of a table.
  • Touch sensitive switch with RGB.
  • Superior grade components.
  • Engineered in high quality brass.
  • Integrated phantom power adaptor.
  • Open ended termination.
  • Finish: Black Nextel® or Satin Nickel.
  • Also available in Nextel Suede Coating finishes (Custom Orders Only)

For ‘Glossary of Terms’ Click Here

'RF Friendly' technology offering immunity from GSM radio frequency interference.

Response optimised for consistent sound quality.

Low profile at surface level.

Each capsule have a half cardioid pattern that are 180° from each other, and can capture two participants on both sides of a table.

Technical Specifications

Length
Below table 112mm / 4.41 ins
Application
Designed for superior quality voice reproduction in venues such as boardrooms,conferencing,court rooms and other such venues.
Type
Dual capsule, condenser
Polar Pattern
Half Cardioid
Frequency Response
50 Hz - 18 KHz
Sensitivity
-37dB +/- 3dB at 1 KHz (0dB = 1 V/Pa)
Impedance
200 Ohms
Maximum Sound Pressure Level
125dB 1% THD
Power Requirements
9 - 48 volts Phantom Power
Termination
Audio Open ended + Touch switch terminated in RJ45 via TS-C1
Supplied Accessories
TS-C1
Finish
Black Nextel® or Satin Nickel
Dimensions
Diameter 63mm (2.48")
Weight
420g (13.5 0z)

Key Features

01

'RF Friendly' technology offering immunity from GSM radio frequency interference.

02

Response optimised for consistent sound quality.

03

Low profile at surface level.

04

Each capsule have a half cardioid pattern that are 180° from each other, and can capture two participants on both sides of a table.

05

Touch sensitive switch with RGB.

Downloads & Documentation

Installation Guide
PDF • 548.2 KB
Installation Guide
PDF • 177.9 KB
Installation Guide
PDF • 177.9 KB
Technical Note
PDF • 1.4 MB
Technical Note
PDF • 979.5 KB

Frequently asked questions

What industries does Clockaudio serve?
Clockaudio solutions are used across corporate offices, education, government, healthcare, broadcast, and commercial AV environments where reliable, high-quality audio is essential.

Yes — Clockaudio microphones and audio systems integrate seamlessly with major unified communications platforms including Microsoft Teams Rooms, Zoom Rooms, Cisco Webex, and Google Meet. Our boundary, gooseneck, and ceiling microphones deliver the clarity and reliability required for professional video conferencing installations worldwide.

Yes. Our engineering team provides system design consultations for integrators and end-users, helping specify the right combination of microphones, processors, and accessories for your space. Our technical support team is available throughout the installation and commissioning process.

Clockaudio has been designing and manufacturing professional audio products in the United Kingdom for over 40 years. Our UK facility handles R&D, precision assembly, and quality control — ensuring every product meets the standards expected by AV professionals worldwide.

The right microphone depends on your room size, acoustic environment, and application. Boundary microphones suit tabletop conferencing; goosenecks are ideal for fixed lectern or dais positions; ceiling-mounted mics offer clean aesthetics for modern meeting rooms. Contact our team or use our Search Facility to find a certified integrator near you for a tailored recommendation.

IDEAL FOR

Application Areas

Boardrooms & Meeting Rooms

Professional audio capture for every participant with discreet integration.

Conference Rooms

Clear voice reproduction for video conferencing and unified communications.

Courtrooms & Legal

RF-immune design for reliable audio in sensitive legal proceedings.
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