180° Polarity Reverse
Used to align the phase when combining the driect feed with a microphone.
Ground Lift
Works with the transformer isolation to help eliminate hum and buzz caused by ground loops.
Low Pass Filter
Rolls off the high end to tame the agressive edge from overly bright sounding amps.
LF-Extension
Moves the low frequency amp emulation down to emulate the sound of a 15" bass speaker for added bass.
Guitar
Changes the input sensitivity to allow an instrument signal to be connected directly to the JDX for quiet recording without an amp.
300W
Reduces the input sensitivity to allow high output guitar and bass amps to be used with the JDX.
Input
Used to connect from the amp head or via direct guitar input depending on how the JDX is being used.
Speaker
Connects to the guitar amp cabinet when used with a guitar amp. The JDX is not a load box - therefore it must be connected to a speaker or load box when used with a guitar amp head.
Omniport
Rear mounted TRS is a low-Z balanced direct box output designed to feed a mixer or mic preamp.
