The PT2009-A1 provides 1 analog audio input. This analog audio input 1 is used for the pre-mounted gooseneck microphone

Analog audio input 1 connector - 'CN1'

PT2009-A1 analog audio input 1 connector - 'CN1'

Pin

Description

Remark

1

Signal -

-

2

GND

GND reference voltage

3

Signal +

-