Bose ControlSpace EX-440C Conferencing Signal ProcessorWith an open architecture, all in one design, the ControlSpace EX 440C conferencing processor facilitates high quality microphone integration and audio processing for small to medium size conference rooms. Various inputs and outputs allow for flexible configuration: four mic line analog inputs, four analog outputs, onboard VoIP, PSTN, USB, Bose AmpLink output, eight channel acoustic echo cancelling (AEC), and 16 x 16 Dante connectivity. ControlSpace