The MAKIE BIG KNOB is a studio monitor speaker controller designed for professionals in the music industry. It is a wired controller in a sleek black color, featuring passive technology for enhanced sound quality. The Big Knob model is known for its reliability and performance, making it a popular choice among musicians and audio engineers looking to achieve precise audio monitoring and control in their studio setup. This unit was part of my home studio and received excellent care and is in perfect condition. It will be shipped in its original Makie carton with Makie literature. Shipping to USA only.