Rubix22, Rubix24, Rubix44: Can I disable or bypass the mic preamp? June 13, 2025 06:27 Updated Follow No, the mic preamp on the Rubix22, Rubix24, and Rubix44 cannot be turned off or bypassed. Related articles Rubix 44: Can I connect a guitar directly to the INPUT jack? WAZA-AIR BASS: Is it possible for me to replace the lithium-ion battery of the transmitter or receiver myself? CUBE Street: Can I connect two microphones simultaneously?