RAD18 – XLR Mic Input / 1/4″ Balanced Line Input on August 30, 2015 | Marketing Team A RAD18 provides one professional quality microphone input on an XLR connector, and one balanced line-level input on a 1/4" TRS connector. 24 V phantom power can be activated for the microphone in software. A Euroblock connection on the back of the RAD allows a hard-wired mic input. The RAD18 mounts in a standard 2-gang US electrical box. It is available in white, ivory, or black, with a matched Decora™ plate cover included. Order model RAD18W for white, RAD18I for ivory, and RAD18B for black. RAD18 Mic Inputs / Quarter Inch Line Input Data Sheet (200k)