Boss RCL-10 Owner's Manual page 13

12
RCL-10 as a Noise Gate in stereo
* Normally set these two RCL-10's exactly the
same. If they are set differently, the one with smaller
input level will synchronize to the other one.
Electric
Guitar
Connect two Stereo Link
Jacks «NOISE GATE)
Guitar Amplifier
Guitar Amplifier
(L)
(R)