Same construction and components as MT series, separate shielded pairs used for send and receive. All 1/4 inch: Neutrik Nickel 1/4 inch TRS split to 1/4 inch sends (Tip) and 1/4 inch returns (Ring). XLR: Neutrik Nickel 1/4 inch TRS split to XLR male sends (Tip) & XLR female Ret. (Ring).