Roland Mobile Cube Portable Amplifier The Roland Mobile Cube is a portable amplifier equipped with stereo speakers for microphones, keyboards, instruments, and guitars. Operation has been confirmed. The adapter screw for the microphone stand joint was missing, so a universal adapter is included. Includes the original carrying bag and box. Discounts are not available. Please ask any questions you may have, and understand that this is a used item, so returns are not accepted before purchasing. - Brand: Roland - Model Name: Mobile Cube - Features: Stereo Speakers - Input Type: For microphone/keyboard/instrument/guitar - Carrying Handle: