Sennheiser E-604 Microphone Cardioid E-604 E604 This package includes (3) Sennheiser e604 with all items as packaged by Sennheiser, PLUS: (3) 20 ft. XLR Microphone cables to connect the e 604 microphones to an interface or console Sonic Sense One-Year Extended Warranty Adds One Year to Manufacturer's Warranty.