CCRM 4000 Plenum

Plenum rated motorized ceiling microphone

QUICK SPECS

Type

Condenser (back electret)

Polar Pattern

Cardioid

Frequency Response

50Hz – 18KHz

Sensitivity

-40dB +/- 3dB @ 1KHz (0dB 1v/Pa)

Control ports allow DSP connection and Link / daisy chain expansion to other CCRM4000-RF Retracta units.
Logic Hi / Lo for DSP mute detection port.
Main & Secondary units are Identical in construction. Two rotary 0-9 digital decimal encoders are used to set Main (00) and 01 – 99 determines Secondary designation. The factory default is set to Main (00).
XLR socket allows easy and fast connection of the audio to mixer or DSP. A 9-48 Volt phantom power is required.

Engineered for Perfect Speech Capture

Ceiling mounted retractable back electret condenser microphone designed for suspended ceiling applications.

Control ports allow DSP connection and Link / daisy chain expansion to other CCRM4000-RF Retracta units.
Logic Hi / Lo for DSP mute detection port.
Main & Secondary units are Identical in construction. Two rotary 0-9 digital decimal encoders are used to set Main (00) and 01 – 99 determines Secondary designation. The factory default is set to Main (00).
XLR socket allows easy and fast connection of the audio to mixer or DSP. A 9-48 Volt phantom power is required.
IR remote control is supplied with the Main unit. Remote control can be used to activate the units in the absence of a DSP.
IR receiver sensor with integral green programme mode led and red range led (supplied with Main unit).
Audio cable length 2.5 Metres.
Supplied with 350 degree rotation, 40 degree knuckle joint angle microphone with cardioid polar pattern.
Up to 99 Secondary units can be daisy chained to the Main .
Ceiling bezel fitted with detection switch.
Universal mains switched mode power supply available as separate item. Operates up to 4 units.
Automatic safety detection for cable hang-ups. The CCRM4000-RF is mounted inside a modified Chief CMS491 Plenum rated storage box.
Also available in Nextel Suede Coating finishes (Custom Orders Only)

For ‘Glossary of Terms’ Click Here

Control ports allow DSP connection and Link / daisy chain expansion to other CCRM4000-RF Retracta units.

Logic Hi / Lo for DSP mute detection port.

Main & Secondary units are Identical in construction. Two rotary 0-9 digital decimal encoders are used to set Main (00) and 01 – 99 determines Secondary designation. The factory default is set to Main (00).

XLR socket allows easy and fast connection of the audio to mixer or DSP. A 9-48 Volt phantom power is required.

Technical Specifications

Cable length

2.5 Metres (8.20ft)

Application

Designed for use in boardrooms, conferencing and a wide variety of applications.

Type

Condenser (back electret)

Polar Pattern

Cardioid

Frequency Response

50Hz – 18KHz

Sensitivity

-40dB +/- 3dB @ 1KHz (0dB 1v/Pa)

Impedance

200 Ohms

Maximum Sound Pressure Level

125dB @ 1KHz 1%THD

Power Requirements for microphone

9 - 48 volts phantom power

Power requirements for CCRM4000-RF unit

18VDC 0.5A

Termination

C3SW Knuckle Joint microphone pre wired in CCRM4000-RF unit

Supplied Accessories

W2 Windshield included

Finish

CCRM4000 motor (Satin Black), C3SW Knuckle Joint microphone and cable (White)

Weight

16Kg (35lbs)

Key Features

Control ports allow DSP connection and Link / daisy chain expansion to other CCRM4000-RF Retracta units.

Logic Hi / Lo for DSP mute detection port.

Main & Secondary units are Identical in construction. Two rotary 0-9 digital decimal encoders are used to set Main (00) and 01 – 99 determines Secondary designation. The factory default is set to Main (00).

XLR socket allows easy and fast connection of the audio to mixer or DSP. A 9-48 Volt phantom power is required.

IR remote control is supplied with the Main unit. Remote control can be used to activate the units in the absence of a DSP.

Downloads & Documentation

Installation Guide

PDF • 1.1 MB

Line Drawing

PDF • 100.5 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.

Are Clockaudio products compatible with major conferencing platforms?

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.

Do you offer support for system design and installation?

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.

Where are Clockaudio products manufactured?

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.

How can I choose the right microphone for my space?

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.

Corporate AV

Professional audio solutions for corporate environments and facilities.

Not Sure if the CCRM 4000 Plenum Is Right for You?

Our audio engineers can help you specify the perfect microphone for your installation. Get in touch for expert guidance.

CCRM 4000 Plenum

QUICK SPECS

Engineered for Perfect Speech Capture

Control ports allow DSP connection and Link / daisy chain expansion to other CCRM4000-RF Retracta units.

Logic Hi / Lo for DSP mute detection port.

Main & Secondary units are Identical in construction. Two rotary 0-9 digital decimal encoders are used to set Main (00) and 01 – 99 determines Secondary designation. The factory default is set to Main (00).

XLR socket allows easy and fast connection of the audio to mixer or DSP. A 9-48 Volt phantom power is required.

Technical Specifications

Key Features

Control ports allow DSP connection and Link / daisy chain expansion to other CCRM4000-RF Retracta units.

Logic Hi / Lo for DSP mute detection port.

Main & Secondary units are Identical in construction. Two rotary 0-9 digital decimal encoders are used to set Main (00) and 01 – 99 determines Secondary designation. The factory default is set to Main (00).

XLR socket allows easy and fast connection of the audio to mixer or DSP. A 9-48 Volt phantom power is required.

IR remote control is supplied with the Main unit. Remote control can be used to activate the units in the absence of a DSP.

Downloads & Documentation

Frequently asked questions

IDEAL FOR