Advanced 8-Microphone Array: Utilizes an 8-element circular array design, Integrated with ANS (Automatic Noise Suppression), AEC (Acoustic Echo Cancellation), and AGC (Automatic Gain Control) algorithms for crystal-clear audio capture
Digital Audio Transmission: Supports digital audio transmission technology to eliminate line interference. Ensures high-fidelity sound through digital signal transfer
Convenient Upgrading: Firmware updates are simple via the USB Type-C port or Ethernet connection. Keeps the microphone up-to-date with the latest features
Effortless Cascading: Easily connect multiple CM30 microphones via Cat5e cables. Provides comprehensive coverage in larger classrooms or lecture halls
Specifications
Microphone
Quantity: 8-array microphone
Voice Pickup Range: Pickup radius ≥ 8 m
Type: Omnidirectional microphone
Frequency Range: 20 Hz ~ 20 kHz
Signal-to-Noise Ratio: ≥ 68 dB
Sound Pressure Level: ≥ 130 dB SPL (10%THD@1Khz)
Audio Algorithm
Automatic gain control
Automatic mixing
Automatic noise reduction
Anti-reverberation
Automatic echo cancellation
Howling cancellation
Multi-microphone cascade
Physical Parameters
Dimension (ØD × T): 138.5 × 27.3 mm
Shipping Dimension (L × W × H): 852 × 276 × 68 mm
Net Weight: 0.45 Kg
Gross Weight: 1.4 Kg
Environmental Conditions
Operating Temperature: 0°C ~ 40°C
Storage Temperature: -20°C ~ 60°C
Operating Humidity: 10% ~ 90% RH
Storage Humidity: 10% ~ 90% RH
Altitude: Below 5000 meters
I/O Port
DMIC ×2
USB Type-C (for upgrade and debug) ×1
Reset ×1
Accessory
Suspension Rod Bracket ×2
Bracket Installation Parts ×2
Quick Start Guide ×1
Electrical Parameters
Power Supply: DC-48V/ 100mA
Power Consumption: 4W
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