Bose ControlSpace EX-12AEC Black Ethernet LAN 1U456 MHz ARM Cortex A8 600 MHz, 3. 6 GIPS 2. 7 GFLOPS, 35 W With 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. Channel AEC expansion with multiple references to complement ControlSpace EX 1280C processors in larger systems Adaptable noise