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PeopleLink CM Alpha is an 8-meter distance voice pickup microphone. One is enough and ideal for a standard classroom or a large conference room, and it's easy to install on the desk, ceiling or the wall. Debug-free design, plug and play. With adaptive blind beamforming technology, automatic speaker alignment, and speech reinforcement to prevent interference and keep speech clear. It adopts the technology of hot laminating and wrapping cloth to change the appearance, color, and pattern more conveniently. It adapts to all classroom decoration styles with natural visual effects and realizes the Invisible application. It uses a standard USB 2.0 and 3.5 mm audio interface, a debug-free design, and plug-and-play. It has a simple system and compact appearance and is easy to install and maintain.
PeopleLink CM Alpha sound system for conference rooms, classrooms, Place of worship. The microphone is hands-free. It can be mounted on the ceiling, wall, and tabletop; freely walk around with this zero-configuration ceiling mic.
PeopleLink CM Alpha is a digital array microphone with embedded architecture, beam formation, professional digital audio processing, and an 8-meter long-distance pickup. It has the stability to achieve automatic voice tracking and entire duplex interaction.
PeopleLink CM Alpha has a 360-degree omni directional sound pickup and no dead-angle sound collection. The Sound pickup covers an area of 80 square meters. Dual mode (digital, analog) output is supported.
Using patent technologies including Intelligent noise reduction, echo cancellation, and reverberation suppression to ensure clear sound quality and comfortable communication. Requirements for the building of the classroom decoration are low. Supports full duplex.
Adaptive blind beam-forming technology, accurate positioning, automatic alignment to the speaker, and clear and natural speech. The intelligent voice tracking records only the speaker and focuses on them primarily without getting interfered with by background noises.
Product appearance is small and exquisite, with 32kHz broadband sampling, built-in automatic noise reduction, echo cancellation, automatic gain, and other intelligent audio algorithms to eliminate noise, reverberation suppression, and echo interference, low requirements for building a sound environment.
Standard USB 2.0 and 3.5mm audio interface, plug and play without extra configuration, simple system, small size, easy to install and maintain. That means no more hassles when it comes to connectivity and installation.
The CM Alpha adopts the technology of hot laminating and wrapping cloth to change the appearance, color, and pattern more conveniently. It adapts to all classroom decoration styles with natural visual effects and realizes the Invisible application.
Mounting Kit
AUX Cable
USB Cable
User Manual
| Connectivity | : USB 2.0 : Type B |
| Microphone | : Built-in 7 microphone arrays |
| Microphone Included | : Built-in microphone |
| No Of Mics Supported | : Built-in microphone |
| Frequency Response | : 20Hz - 16kHz |
| Microphone Frequency | : 20Hz - 16kHz |
| Voice Pickup Radius | : 360° Voice pickup |
| Audio Pickup range | : 8 meters |
| 3A Algorithm: | : Built in AEC, AGC & ANS |
| Sensitivity | : -26 dBFS |
| Sampling Rate | : 32K sampling |
| SNR ( Signal to noise ratio) | : 64 dB(A) |
| Output Connection and Cable | : USB |
| Speaker Support | : Active Speaker |
| Interface | : USB2.0, 3.5mm Line in/Out |
| Operating System | : Windows 7 / Windows 10 /MacOS |
| Ideal Room Size | : 80-100 Square Meters |
| Application | : Conference room, board room |
| Seating Capacity | : 10 to 15 seater |
| Parameter | CM Alpha | DSP CM | Pro Audio DSP - 12 Channel |
|---|---|---|---|
| Image |  |  |  |
| Connectivity | USB 2.0 : Type B | USB 2.0 : Type B | USB 2.0 : Type A |
| Microphone | Built-in 7 microphone arrays | HD voice pickup range mics | HD voice pickup range mics |
| Microphone Included | Built-in microphone | Yes - Suspended Spherical Microphone | Yes - Suspended Spherical Microphone |
| No Of Mics Supported | Built-in microphone | 2 microphones | 8 microphones |
| Frequency Response | 20Hz - 16kHz | 20Hz~20kHz | ( 20Hz~20kHz @ +4dBu |
| Microphone Frequency | 20Hz - 16kHz | 50 - 20000Hz | 50Hz-20kHz |
| Voice Pickup Radius | 360° Voice pickup | 360° Voice pickup | 360° Voice pickup |
| Audio Pickup range | 8 meters | 10 meter | 8 meters |
| 3A Algorithm: | Built in AEC, AGC & ANS | Built in AEC, AGC & ANS | Built in AEC, AGC & ANS |
| Sensitivity | -26 dBFS | -47 plus or minus 3dB. | -44±3dB(0dB=1V/Pa@1kHz) |
| Sampling Rate | 32K sampling | No | 32kHz |
| Rated Output Impedance | No | No | 2.2kΩ |
| Minimum Load Impedance | No | No | 1kΩ |
| SNR ( Signal to noise ratio) | 64 dB(A) | 75dB | 75dB |
| Output Connection and Cable | USB | Mini XLR-3 Male/ Twisted Shielded MIC Cable | Mini XLR-3 Male/ Twisted Shielded MIC Cable |
| Speaker Support | Active Speaker | Active Speaker | Yes |
| Interface | USB2.0, 3.5mm Line in/Out | USB Type B, Phoenix 2-way 3.81 mm | USB 2.0, RJ45, RS232, Line In/Out, Mic In, WL-IN, 3.5mm, Phoenix, |
| Operating System | Windows 7 / Windows 10 /MacOS | Windows 7, Windows 10, Windows XP, Mac OS | Windows 7, Windows 10, Windows XP, Mac OS |
| Ideal Room Size | 80-100 Square Meters | 80-100 Square Meters | 100- 120 Square Meters |
| Application | Conference room, board room | Conference room, Classrooms, Training Rooms | Conference room, Classroom, Auditorium, |
| Seating Capacity | 10 to 15 seater | 15 to 30 seater | 50 to 100 seater |
Disclaimer: Features and specifications are subject to change without prior notification, Images shown here are for representational purpose only, actual may vary.
