Rivera Rockcrusher Jacks

Absolute mint conditionorks perfectly and transparently from rivera the rockcrusher is invaluable and unbeatably versatile because you can place it between your amp and speaker cab as a power attenuator, or use it in place of your speaker cabinet as a load box while sending its balanced xlr or unbalanced 14" line out to another amp as a slave, or even send its output to a mixer for.