thomann Mellenium MPS-600 User Manual page 12

Installation
Connecting headphones
Connecting audio devices
12
Connect your stereo headphones to the PHONES output of the drum module.
Connect the inputs of your amplifier or powered speaker to the 'OUTPUT' sockets of the drum
module. When using a mono amp, connect its input to the 'L/MONO' output socket of the
module.
e-drum module