The Roland KC-350 is a 4 stereo channel instrument amplifier with a power output of 120 watts. It also features EQ. The amplifier is designed for use with keyboards but will cope with prett much any other musical instruments. A cracking amplifier for small-medium sized gigs, great fidelity and powerful! I've used this amp for a fair few gigs, now selling as I'm leaving the country. It's big and heavy, so unable to post, collection only, or I'd be happy to come and deliver it to you in the local area