The Roland KC-220 Keyboard Amplifier is battery powered ideal for busking. The KC-220 features two 6.5-inch woofers that project your sound with stereo imaging. The connectivity includes an XLR input for vocal microphones as well as three 1/4-inch channels for any keyboard requirement. This models enhanced power amp projects a powerful bass response making it ideal for busking. The KC-220s on board controls include EQ for balancing your overall sound as well as DSP effects for additional ambiance. The KC-220 benefits from a heavy duty frame to keep it protected whilst in transit.