The MalletKAT Express offers a compact and lightweight 2-octave design which can be expanded to 4 octaves. The MalletKAT is the world's most powerful MIDI percussion mallet controller using true FSR sensing technology. The Express offers a compact and lightweight 2-octave design which can be expanded to 4 octaves. The MalletKAT is the world's most powerful MIDI percussion mallet controller using true FSR sensing technology. It incorporates the same FSR technology as all of the KAT instruments, delivering superb feel and response. The malletKAT comes with 127 Factory Setups designed to work with General MIDI sound Modules and 127 programmable User Setups that includes features like Splitting, Layering, Poly/Mono Modes and more. The MalletKAT is an incredibly expressive and powerful alternative to traditional marimba and vibraphone instruments. Unit Dimensions: 32 inch. x 11 inch. x 2.5 inch.. Unit Weight: 9 lbs. The following features/accessories now ship standard with the MalletKAT 8: · Clambusters - to help silence the occasional missed note · Two independent MIDI outs allows MIDI routing to synths and computer separately · Standard 5-pin MIDI cable - for direct connection to your external synth or audio card · Sustain pedal · Footswitch for configuring your personal sound directly on the MalletKAT · PitPads - a sturdy, protective surface to prolong the life of your pads The 128 User Kits inside the MalletKAT can be pre-configured for immediate use with the sound modules listed above. MalletKAT User Kits are preprogrammed for the Ketron SD1000 for instant turn key operation but can be modified by user.