ART Tube MP project series USB Preamp - 70dB gain, fast FET limiter to prevent overload, selectable input impedance, LED metering, 48V phantom power, XLR & 1/4" inputs and outputs, phase invert switch, low cut filter switch, variable input and output controls, USB 1.1 output, compatible with windows 98SE or later and Mac OS 9.1 or later. Dimensions: 44.5mm x 150mm x 165mm. Weight: 1.14kg