Apex APEX220 Omnidirectional Test / Reference Microphone The linear frequency response and omnidirectional polar pattern of the Apex220 allows you to carry out measurement and alignment tasks with ease and precision. It is the ideal measurement microphone for use with any real-time analyzer or other audio test equipment. The Apex220's rugged construction ensures years of reliability. Note: A linear measurement microphone is, by design, meant to have a very flat frequency response and may not yield the best results when used as an audio source microphone for live or recording applications. General Features: Omnidirectional Condenser Microphone Extremely Linear Frequency Response Designed for use with Real Time Analyzers, Test Equipment, Audio Analysis Software Included Accessories Microphone Clip Specifications Type: Test Microphone Element: Back Elecret Condenser Frequency Response: 20Hz - 20kHz Sensitivity: -63dB Impedance: 67dB MPX SPL: 105dB Connection: XLR-M Dimensions: 3.75 x 0.38 in / 14.6 x 10 mm Weight: 3.7 oz / 105 g **Specifications subject to change without notice Warning: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.