SC-E3MSCEL Switchcraft XLR chassis connector NC-3-FXX Neutrik xlr plug NC-3-FXXBAG Neutrik xlr plug NC-3-FXCC Neutrik xlr plug NC-3-MXX Neutrik xlr plug NC-3-MXXBAG Neutrik xlr plug NC-3-FDLX Neutrik xlr chassis connector NC-3-MDLX Neutrik xlr chassis connector XLR-1-FV Boston xlr plug XLR-1-MV Boston xlr plug XLR-1-FVBK Boston xlr plug XLR-1-MVBK Boston xlr plug XLR-3-FV Boston xlr plug XLR-3-FVBK Boston xlr plug XLR-5-FV Boston xlr plug XLR-5-FVBK Boston xlr plug KXLR-1X40 Proel xlr plug numbered ring KXLR-1X48 Proel xlr plug numbered ring XLR-3-MV Boston xlr plug XLR-3-MVBK Boston xlr plug XLR-5-MV Boston xlr plug XLR-5-MVBK Boston xlr plug XLR-3FDL Boston xlr chassis conn XLR-3FDLBK Boston xlr chassis conn XLRJ-3F Boston xlr chassis conn XLR-3MDL Boston xlr chassis conn XLR-3MDLBK Boston xlr chassis conn MINI-3-FV Boston mini xlr plug MINI-3-MV Boston mini xlr plug MINI-4-FV Boston mini xlr plug