The AEC input card provides 4-channel AEC (Acoustic Echo Cancellation), phantom power, 84dB gain level, and 58dB MicAmp (Microphone Amplifier). DSP-AEC4 LD provides AEC broadband processing. Each channel of AEC input card has independent input and direct output for local sound reinforcement. 4-channel AEC input card with DSP processing capability With additional DSP processing power to serve the system Easy for installation Control and configure via software
