C30H

applications. The microphone is constructed from high quality brass and includes filters offering immunity from GSM (cell phones) and other sources of frequency interference.
QUICK SPECS
Type
Back electret
Polar Pattern
Omni-Directional Frequency Response 50 - 20KHz
Sensitivity
-68dB ± 3dB @ 1Khz (0dB =1V/Pa).
Termination
Open ended 2 core + screen

Engineered for Perfect Speech Capture

applications. The microphone is constructed from high quality brass and includes filters offering immunity from GSM (cell phones) and other sources of frequency interference. Adaptor supplied requires 9 – 48 Volts Phantom Power.

Frequency response 50 Hz to 20 KHz; Impedance 200 Ohms balanced output; Sensitivity -68dB +/- 3dB @ 1 KHz (0dB =1V/Pa); Total Harmonic Distortion (THD) at an operating level of 120dB is no greater than 1%. Finish: Satin Black

Through desk/ceiling/panel mount Boundary

Layer Microphone.

RF friendly technology offering

immunity from GSM (cell phones)

Technical Specifications

Application
Boundary layer microphone designed for chair mount/panel mount. Omni directional polar pattern
Type
Back electret
Polar Pattern
Omni-Directional Frequency Response 50 - 20KHz
Sensitivity
-68dB ± 3dB @ 1Khz (0dB =1V/Pa).
Impedance
200 Ohms
S/N Ratio
64dB (A) Power Requirements 9 -48 Volts Phantom power through CPPW 01-RF
Termination
Open ended 2 core + screen
Finish
Satin black
Dimensions
H30mm W 17mm D 11mm (1.3" x 0.6" x 0.25")

Key Features

01

Through desk/ceiling/panel mount Boundary

02

Layer Microphone.

03

RF friendly technology offering

04

immunity from GSM (cell phones)

05

and other sources of frequency

Downloads & Documentation

Product Data Sheet
PDF • 280.9 KB
Installation Guide
PDF • 207.2 KB
Line Drawing
PDF • 115.2 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

Corporate AV

Professional audio solutions for corporate environments and facilities.

Healthcare Facilities

Clear communication for medical consultations and patient interactions.

Event Venues

Versatile audio capture for live events and presentations.
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