On
Activates the input channel. LED indicator lets you know which channel is active. Radio-style buttons only allow one input to be active at one time.
Drag / Trim
Potentiometer used to adjust the DRAG (load) on passive sources or TRIM (level) on active sources.
Drag Select
Switch used to set the potentiometer function for either TRIM or DRAG.
AB Amp
Output selector lets you toggle between A or B amp outputs.
Power
15VDC 400mA power supply connection for the supplied external supply.
JR5 Remote
Optional footswitch lets you remotely select which input is active via an XLR connection.
JR-2 Remote
Optional footswitch lets you remotely select which amp is active and also mute the output via 1/4” TRS connection.
Tuner
Hi-Z always-on output used to connect an electronic tuner.
Out AB
Hi-Z outputs used to feed A or B guitar amps.
Input
Hi-Z ¼” instrument input used to connect guitar, bass or wireless system to the JX-42.
Thru
Direct thru-put connection used to feed dedicated pedals, amplifier or Radial direct box.