Right-sized connectivity for cost-effective commercial installation — 8 x 4 balanced analog I/O, 4 pair mono-summed RCA inputs, 8 control inputs, 1 control output, mute contact, Ethernet port, and Bose AmpLink connectivity

CSP configuration utility with browser-based UI facilitates real-time display and control of levels, routing, thresholds, priorities, scheduled events, Bose 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 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

Bose 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-1, CC-2, and CC-3 digital zone controllers and ControlSpace Remote app provide easy volume control and source selection

CSP-1248 Commercial Sound Processor

Signal Processor/CPU
32-bit fixed/floating-point DSP + ARM, 456 MHz

Input Channels
8 analog (balanced, Mic/Line Level/Page-In)
4 analog (unbalanced, RCA Line-in, summed to mono)

PC Configuration Software
Integrated web server with configuration utility

Dynamic Range
115 dB, A-weighted 20 Hz to 20 kHz, analog through, 600 Ω  load Ω

Output Channels
2 analog (balanced, Line Level
8 digital (AmpLink output)