The Allen & Heath M‑AHM‑32‑AEC‑A Echo Cancelling Expansion Module adds 12‑channel acoustic echo cancellation to the AHM‑32 audio matrix processor. Designed to eliminate disruptive echoes in conferencing and telepresence setups this module uses 150 ms FIR adaptive filters far-end AGC residual echo NLP background noise reduction near-end gating and speech‑shaped comfort noise. Simply insert it into the AHM‑32 chassis to greatly improve audio clarity in professional AV installations. 12 channels of acoustic echo cancellation (AEC) 150ms FIR adaptive filter Far-end automatic gain control (AGC) Residual echo non-linear processing (NLP) Background noise reduction and near-end gating Speech-shaped comfort noise output Plug-in module for AHM-32 chassis
