Technical Pro WM88 Wireless Microphone with Digital Processing Specification: Built-in digital processor with processing >850sd 10 Foot XLR to 1/4 cable included Aluminum carrying case Directivity: Unidirectional Frequency Response: 50Hz-15kHz Sensitivity: 80 ±3dB Impedance: 600 ohms Frequency Response: 50Hz-15kHz Weight: 3 lbs