Sure Electronics JAB3+ - Page 13

Audio Output
6
6, Line output – J7
JAB3+ provides a line output signal to connect with other WONDOM
standard amplifier boards to build audio 2.1/4.0 system.
The output mode of this line output (stereo or mono) can be
configured by customers through SigmaStudio or APP according to
the connected board.
J7
Audio 2.1 System Audio 4.0 System