Acorn Masterkey 61

Acorn Masterkey 61 Model Number B&H # ACMK61 Manufacturer # MASTERKEY 61 Like new, works perfectly. Only the keys got yellow. USB / MIDI Controller Keyboard 61 Keys, Synth Action MIDI Control Surfaces 1 x Wheel (Pitch-Bend) 1 x Wheel (Modulation) 4 x Rotary Encoder 1 x Slider Connectivity I/O 1 x USB Type-B Power Power Options USB Bus-Power *Please note that this is a MIDI controller and needs a computer with a midi sequencer to produce sound.