Microphone Series
CM129
Natural Voice Lift. Intelligent Pickup.
Beamforming Ceiling Array Microphone
A high-performance 129-element beamforming ceiling array microphone with onboard ClearVoice AI processing, 33 pickup and 33 sound-reinforcement beams, standalone voice lift up to 18 dB, and simultaneous Dante, AES67 and analog audio.
Key features
- 129-capsule high-density MEMS array for precise source localization
- 33 pickup + 33 sound-reinforcement beams for flexible room zoning
- ClearVoice AI DSP: AEC, AGC, noise reduction, dereverberation, automatic mixing and feedback control
- Standalone voice lift up to 18 dB acoustic gain — no external DSP required
- Simultaneous Dante, AES67 and four-channel balanced analog I/O
- PoE++ or 12–48 VDC power
- Pickup coverage up to 8 m; voice-lift coverage up to 4 m
- Cascade multiple units for large and divisible spaces
Specifications
Acoustic & Processing
- Microphone elements
- 129 MEMS capsules
- Pickup beams
- 33 adjustable zones
- Sound-reinforcement beams
- 33 adjustable zones
- Pickup distance
- Up to 8 m / 26.2 ft
- Voice-lift distance
- Up to 4 m / 13.1 ft
- Processing
- AEC, AGC, AFC, ANS, dereverberation, auto-mixing
- Acoustic feedback gain
- ≥ 18 dB
- Noise reduction
- ≥ 30 dB
- Echo cancellation
- ≥ 90 dB; tail ≥ 1 s
- Sound-reinforcement latency
- 18 ms
- Sampling rate
- 48 kHz
Audio
- Microphone sensitivity
- −32 ± 2 dB
- Microphone SNR
- 70 dB
- System frequency response
- 20 Hz – 20 kHz, ±0.5 dB
- System SNR
- 100 dB
- THD
- ≤ 0.1%
- Max balanced input
- +4 dBu
- Max balanced output
- +10 dBu
Connectivity & Control
- RJ45 ports
- 3
- Balanced analog inputs
- 4 (Phoenix)
- Balanced analog outputs
- 4 (Phoenix)
- RS-485
- 1
- USB
- 1 × USB-C
- Network audio
- Dante and AES67
- Cascading
- Supported
- Power
- 12–48 VDC or PoE++ (802.3bt)
- Power consumption
- 25 W
Mechanical & Environmental
- Dimensions
- 600 × 600 × 42.8 mm
- Net weight
- 6.03 kg / 13.29 lb
- Finish
- Pearl white
- Operating temperature
- 0–40 °C / 32–104 °F
- Mounting
- Flush, surface, wire or rod suspension
Applications
Dante
Networked audio over standard IP, with primary and redundant network paths.
PoE
Power and audio on a single cable — no local power supplies to install.
DSP
Onboard EQ, dynamics, automixing, feedback and noise reduction.
Open Architecture
Drag-and-drop signal design with up to 64 independent audio chains.
Let's spec your next system
Tell us about your space and our team will scope the right S-Track ecosystem — or get the cut sheets and become a dealer.