One Systems POPS SUBa - Manual (Page 13)

cable end is properly mated to the panel connector. To remove the XLR
connector simply squeeze the rubber “boot” of the connector on the top and
bottom as near to the panel end of the boot as possible.
Failure to properly seat and secure the connector will reduce the water protection
features designed into the connector assembly.
Audio Input
The POPS Sub also features an audio “thru” output. This connection MUST also
use a Neutrik NC3FXX-HD-D cable end connector.
Audio Input Audio “Thru” Output
Connect the audio output from the console/mixer using the supplied XLR to XLR
cable using the Audio Input XLR as shown below.