Vizio S2920w-C0R - Quickstart Guide - Manual (Page 4)

CONTROLS & CONNECTIONS
Back of Sound Bar
Power Port Service Port*
OPTICAL (4)
Digital Optical Audio In
DIGITAL (3)
Coaxial In
SUB OUT
Subwoofer Out
AUX (1)
Analog Audio In
AUX (2)
Analog Audio In
*For use by authorized service center only.