Electro-Harmonix KEY9 Electric Piano Machine (Used)Electro Harmonix KEY9 Electric Piano Machine (Used) With power supply Emulate the worlds most coveted electric pianos and more! Completing the powerful trilogy forged by the B9 and C9 Organ Machines, the EHX KEY9 emulates the worlds most coveted electric pianos and more. With 9 presets, you can transform your axe and lay down a cool Riders on the Storm style groove or some hot funk ala Whatd I Say! The KEY9 transforms the tone of a guitar and or