Right-sized connectivity for cost-effective commercial installation — 2 × 2 balanced analog I/O, 2 pair mono-summed RCA inputs, 8 control inputs, 1 control output, mute contact, Ethernet port, and Bose Professional AmpLink connectivity

CSP configuration utility with browser-based UI facilitates real-time display and control of levels, routing, thresholds, priorities, scheduled events, Bose Professional loudspeaker EQs, plus input and area EQs

Rear-panel Ethernet port for PC/Mac configuration; also allows for connection to networks supporting ControlCenter digital zone controllers and the ControlSpace Remote app

AutoVolume compensation continuously adapts zone output level based on ambient noise when paired with the Bose Professional AVM-1 sense microphone (sold separately)

Opti-Voice paging provides a smooth transition between music and announcements

Opti-Source level management monitors input level of up to 4 sources, maintaining consistent volume when switching sources

SmartBass processing expands performance and response at any listening level

AmpLink output for simplified digital audio connection to compatible power amplifiers, reducing terminations, and related points of failure

Intuitive end-user operation — optional ControlCenter CC-1D, CC-2D, and CC-3D digital zone controllers and ControlSpace Remote app provide easy volume control and source selection