BLOX Series Consumer to Pro Interface The RapcoHorizon LTIBLOX Laptop Interface from the BLOX Series is a consumer to pro interface. It converts input from consumer grade equipment (laptop computers, MP3 players, CD players) to a mic level balanced output and gives the operator volume control of the outgoing stereo signal. It features a 3.5mm male input and an XLR male output. Features: Self-contained unit converts input from consumer grade equipment to a mic level balanced output Operator volume control of outgoing stereo signal 3.5mm male input and XLR male output Suitable size for your toolbox or even a shirt pocket Black powder-coated aluminum chassis Hand-soldered connectors Specifications: Connectors:1 x XLR male panel mount connector1 x 3.5 mm male wired on 2.00' (0.61 m) tail1 x Potentiometer volume control with knob1 x DBT transformer Dimensions: Approximately 3.50 x 1.25 x 1.00" (8.89 x 3.18 x 2.54 cm)