Mackie MCU Pro Expandable USB/MIDI Control Surface Silver (B-Rank) from Japan The Mackie MCU Pro is a USB/MIDI control surface offering mixing, editing, automation, and navigation control for supported DAWs, with nine 100mm motorized faders, V-Pot controls, and dedicated buttons, and is expandable with optional modules. Key Features and Functionality: Control Surface: The MCU Pro provides tactile control over DAW parameters, including mixing, editing, automation, and navigation. Faders: It features nine 100mm motorized faders (eight channels plus one master) for a console-like feel. V-Pot Controls: Each fader channel includes a rotary V-Pot for precise control of parameters. Dedicated Buttons: The surface offers dedicated buttons for record ready, solo, mute, channel select, and other functions. Expandable: The MCU Pro is designed to be expandable with optional Mackie XT Pro and Control C4 Pro modules. Connectivity: It connects to computers via USB or MIDI, and also supports external MIDI gear. LCD Display: It features a two-line, 55-character backlit LCD for displaying parameters like track name, channel metering, and more. Timecode Display: The MCU Pro also includes a seven-segment LED timecode display. Software Integration: The MCU Pro supports Mackie Control, HUI, and Logic Control modes for seamless integration with various software applications. Plug-and-Play: Setup is designed to be plug-and-play, without requiring extensive MIDI mapping. B-Rank: The product is described as being in a B-Rank condition, which may suggest some minor wear or cosmetic imperfections. Measures 16 1/2" wide, 17" deep and 4 1/4" tall. Weighs 18 pounds, 4 ounces.