CUBE-20X: Can I connect a microphone to the INPUT jack? February 01, 2024 06:33 Updated Follow The CUBE-20X is designed as a guitar amplifier, so it is not possible to connect a microphone to the INPUT jack. Related articles Using the Tuner on the Cube Amplifiers ME-80: Using the Auxiliary Input (AUX IN) Using the Tuner on the CUBE Amplifiers CUBE Street: What kind of microphone can I use? CUBE Street EX: Types of Mics that You Can Connect to the INPUT Jacks