The product is a Mackie Control Extender, which is a MIDI DAW mixing controller specifically designed for musicians and audio engineers. Although it is untested and does not come with a power supply, this mixing console offers a wide range of features for controlling and mixing audio in a studio or live setting. With the trusted Mackie brand behind it, this controller supports professional-grade mixing capabilities for a variety of musical projects. No power adapter so unit is being sold as untested