The MT720 XLR to Terminal Block Converter is used to connect microphones with XLR connectors to the Stingray Distributed Array Mixer (MT700), which utilizes block terminal connectors. To use the MT720 converter, simply plug your XLR microphones into the XLR connectors on the back panel of the MT720 and then connect the terminal block connections from the MT720 converter to the Stingray mixer.