You can add up to 50 inputs to the CFSound
2 contact inputs are built-in to the CFSound
Pushbuttons
Black pushbutton, wire sold separately
Part Number: SWITCH-PB-BLK
$4.95
Prewired Switches: 2 Pushbuttons
This includes two black pushbuttons on 10' of 22/4 wire
Part Number: SWITCH-8-PB-WIRED-BLK
$19.95
Prewired Switches: 8 Pushbuttons
This includes eight black pushbuttons on 10' of 22/12 wire
Part Number: SWITCH-8-PB-WIRED-BLK
$59.00
Touchless Button
This touchless "button" allows for triggering sound playback by simply moving your hand near it without touching. It is not a motion sensor. The sensor is fine tuned to avoid being set off by anything other than a button pushing motion.
Part Number: SWITCH-TL
$89.00