Bose ControlSpace EX-12AEC Conferencing ProcessorWith an open architecture design, twelve acoustic echo cancellers (AEC), and 16 x 16 Dante connectivity, the ControlSpace EX 12AEC conferencing processor provides cost effective, robust AEC for conference rooms using ControlSpace EX conferencing processors. Features: 12 channel AEC expansion with multiple references to complement ControlSpace EX processors in larger systems Adaptable noise cancellation on each AEC channel; non linear processing and