Product information "SPCV341.000 Audio Exp. 4 In/1 LineOut"
The SPCV341.000 Audio Expander extends the SPC system via X-BUS with an audio verification zone, 4 wired zones and 1 line output to
drive an external audio pre-amplifier. The built in microphone and speaker allow pre- / post-event audio recording and live audio
(listen / talk) between ARC/CMS and the SPC system. Up to 3 audio satellites (SPCV310/410) can be connected to the expander.