Dynamic AV - The DBX RTA-M is an omni-directional, flat-frequency measurement microphone specially designed for the Driverack series to pick up all frequencies from 20 Hz to 20 kHz, ensuring accurate "pinking"/real-time
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Amazon.com: dbx RTA-M Driverack Series Reference Microphone black 7.00 x 3.50 x 12.00 inches : Dbx: Musical Instruments
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Amazon.com: DBX PA RTA Flat Frequency Response Omni-Directional Clip Case Microphone : Musical Instruments
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