Miktek CV4, Studio Microphone, Large-diaphragm Tube Condenser Design, MK9 Dual 1-inch Capsule with 5-micron Mylar, Evaporated Gold Diaphragms, 9 Selectable Pick-up Patterns, AMI BT4 Transformer, Original NOS Telefunken EF800 Tube, Individual serialized Frequency Response Graph, External Power Supply and 7-pin XLR Cable, Wood Presentation Case with shock-mount and rugged aluminum Carrying Case