Professional Unidirectional Paging Microphone - 2.2m XLR Cable Supplied Overview - Designed for use in industrial environments, our high quality microphones are built to last are very versatile. With the option to power via USB or via batteries, you can install the paging microphone wherever it suits you. It is also supplied with a 2.2m XLR microphone cable and a flexible, yet strong goose-neck microphone. Key Features: 10 different chime settings High quality Electret Condenser with Cardoid polar pattern. Supplied with 2 x AA batteries and USB power lead Base is fitted with 4 soft rubber protection feet. Strong, flexible gooseneck securely fixes into the base . Technical Specification: Battery - 3Vdc (2 x AA Supplied) Impedance - 680 Ohms Connection - 3-pin XLR male Cable Length Supplied - 2.2m Frequency Response - 50Hz - 20kHz Sensitivity - -46dB (±2dB) Dimensions - 445 x 150 x 112mm