This traditional-style keyboard addition to the Hammond XK-3 shows the versatility and power of the XK-3 platform. With no modifications to the XK-3 itself, adding this lower manual converts the XK-3 to a double-manual electronic keyboard with similar styling to a traditional B-3.61 keys plus 12 presets On/off Controls on panel MIDI out Headphone out Dimensions: 51" x 28" x 13" Weight: 67 lbs.