Microphone sensor concentrator (analogue-to-digital converter)

The ZES-22 from LDA is a high-performance digital audio processor designed to integrate up to four noise sensing microphones.

 

Signal and noise level measurements allow LDA software to automatically manage the gain of each zone, adjusting volume levels according to the acoustics and specific requirements of each space.

 

The ZES-22 is suited to environments where ambient noise monitoring and automatic audio level adjustment are required, ensuring precise and efficient sound control in every zone.

Main Features
  • 4 audio input channels with balanced inputs and selectable 12 V phantom power for professional microphones.
  • Compatible with LDA Automatic Gain Control (AGC) software for real-time dynamic volume adjustment.
  • High-fidelity analogue-to-digital conversion with high-performance DSP.
  • Adjustable input sensitivity (+20 dB / –10 dB) to optimise dynamic range according to the environment.
  • Local and remote monitoring and configuration.
  • Standard Ethernet connectivity via 2 × RJ-45, enabling connection to the system control VLAN.
  • Compact dimensions: ½ rack unit (44 × 217 × 139 mm), 1 kg. Can be combined with another ZES-22 unit to expand functionality and occupy one full rack unit.
  • Versatile design for panel mounting or installation in a 19” rack.
Datasheet, manual, certificates and other technical documents
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