A rack mountable DI box with 4 inputs. Allows for connection of unbalanced equipment to be converted to balanced signals. Suitable for stage work and studio applications. Choice of jack or XLR inputs with jack link outputs and XLR balanced outputs. Amplified outputs can be connected to the inputs as long as they do not exceed 3000 watts. A 20db boost can be switched for low level inputs and switchable 40db cut for high level signals. Other features include phase reverse, high cut filter, ground lift switch and 8 segment level meter.