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Beyerdynamic Classis RM 30 W
Revoluto Vertical Array Reclinable Microphone with 3-pin XLRM, in White


The Classis RM 30 W (white version) from Beyerdynamic is engineered in Germany, and is a desktop microphone made for round table discussions, podiums...
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Beyerdynamic Classis RM 30 W
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The Classis RM 30 W (white version) from Beyerdynamic is engineered in Germany, and is a desktop microphone made for round table discussions, podiums, tele/video conferencing, and lecterns. It features a vertical microphone array that offers a horizontal corridor characteristic (horizontal cardioid, vertical lobe), providing maximum freedom of movement to the speaker or conference participant, while delivering a consistent intelligibility of speech. Additionally, its design makes it possible for two people to share one microphone, and its vertical lobe polar pattern also optimizes the gain before feedback in ceiling installations.

Beyerdynamic Classis RM 30 W Features:

  • Reclinable microphone
  • Revoluto Technology with vertical microphone array
  • Horizontal corridor characteristic for picking up 2 speakers
  • Large speaking distance
  • Large freedom of movement
  • RFI-proof due to Scudio technology
  • High gain before feedback
  • Modern metal housing
  • RFI proof
  • 3-pin Male XLR connector
  • Filter
  • White finish

Beyerdynamic Classis RM 30 W Specifications:


  • Microphone: Revoluto microphone array, patented
  • Transducer type: Electret condenser
  • Operating principle: Pressure gradient
  • Polar pattern: Corridor
  • Horizontal: Cardioid
  • Vertical: Lobar
  • Optimal distance to the speaker: 40 - 80 cm [15.75" - 31.5"]
  • Frequency response: 90 - 20.000 Hz
  • Sensitivity: 28.5 mV/Pa = -30.9dBV ±2dB
  • Nominal impedance: < 200 Ohms
  • Load impedance: = 1 kOhms
  • Signal-to-noise ratio / noise voltage: 67.2 dB [A] / 12.5 µV [A]
  • Max. SPL: 107 dB [SPL @ 1% THD]
  • Equivalent SPL: 26.8 dB [A]
  • Connector: balanced, with 3-pin male XLR connector
  • Supply voltage / supply current:
    • Phantom power:
      • P48 (+48 VDC ±4 VDC, 6.8 kOhms ±20%, < 4.5 mA)
      • P24 (+24 VDC ±4 VDC, 1.2 kOhms ±20%, < 4.5 mA)
      • P12 (+12 VDC ±1 VDC, 680 Ohms ±20%, < 4.5 mA)


  • Operating Temperature range: 14° F to 104° F (-10° C to +40° C)


  • Housing color: White
  • Length: 10.24" (260mm)
  • Capsule: 0.98" (25mm)
  • Weight: 0.34 lb (153g)

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