Roland KC-350 4-Channel 120-Watt Stereo Mixing Keyboard Amplifier 4-channel mixing keyboard amplifier with 120-watt/12" speaker and horn tweeter Output Select feature and convenient Shape switch for tonal adjustment 3-band EQ and Subwoofer output compatible with new KCW-1 1/4" phone output for connection to recording devices Stereo Link In/Out for chaining to KC-350s for stereo applications