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.

• Module Type: Acoustic Echo Cancellation for AHM-32
• Channels: 12 AEC channels
• Filter: 150ms FIR adaptive
• Processing: Far-end AGC, NLP, noise reduction, near-end gating
• Output: Speech-shaped comfort noise
• Included: AEC module, documentation
• Warranty: 1-year manufacturer