M-Audio Keystation 61 MK3 61-Key USB-Powered MIDI Controller ATC Loudspeakers 5" woofers works in large

5" woofers works in large band (midrange  bass) whereas the other reproduces from 40 to 150Hz

or any other type of audio player

so you can sing your heart out anywhere on stage

A 14-day demo trial is also available

Divided pickup (Roland GK-3) (only for GK included model)

M-Audio Keystation 61 MK3 61-Key USB-Powered MIDI Controller ATC Loudspeakers 5" woofers works in largeSimple Software Control Start creating and performing music with your Mac or PC easy with the worlds best selling keyboard controllers: The Keystation Series from M Audio. Whether youre a seasoned pro looking for just the right controls or are looking to get started with the right USB MIDI controller, the Keystation 61 MK3 is a simple, powerful MIDI controller designed for sequencing music and playing virtual instruments on your Mac or PC. Keystation