Earthworks M30
Omnidirectional High Definition Measurement Microphone

OUR PART #  M30


The Earthworks M Series has become the accepted standard for affordable, reliable reference and measurement microphones that are accurate in the time domain and frequency response. They are remarkably stable with respect to temperature and atmospheric conditions and are optimized for clean, very fast impulse performance providing accurate wideband response with virtually no handling noise.

Earthworks M30 Features:

  • Ideally suited for acoustical measurements including loudspeaker design and quality control, sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required
  • Improved version of the SMAARTMIC™ previously offered by Earthworks
  • Omnidirectional polar pattern
  • Flat frequency response, fast impulse response and exceptional polar characteristics
  • Used by SMAART™, MLSSA™, Spectrafoo™, TEF™ and RTA in addition to acoustic measurement systems manufactured by dbx, DEQX and others
  • Each M Series microphone is delivered with its own calibration chart providing its individually measured open-circuit sensitivity and the frequency response curve
  • Electronic Calibration File available

Earthworks M30 Specifications:

  • Frequency Response: 5 Hz - 30 kHz ±1/-3dB
  • Polar Pattern: Omnidirectional
  • Sensitivity: 30mV/Pa (-30.5dBV/Pa)
  • Power Requirements: 48V Phantom, 10mA
  • Max Acoustic Input: 142dB SPL
  • Output: XLR (pin 2+)
  • Output Impedance: 100 Ohms, balanced (50 Ohms ea. pin 2 & 3)
  • Min Output Load: 600 Ohms between pins 2 &3
  • Noise: 22dB SPL equivalent (A weighted)
  • Meets or exceeds ANSI Type 1 and applicable IEC 61094 requirements
  • Operating Temp Range: 14° - 104°F (-10° - 40°C)
  • Storage Temp Range: -4° - 122°F (-20° - 50°C)
  • Dimensions (L x D):  9" x 0.860" (229mm x 22mm)
  • Weight:  0.5 lb. (225g)

Earthworks M30
Omnidirectional High Definition Measurement Microphone

OUR PART #  M30

Product Information:

The Earthworks M Series has become the accepted standard for affordable, reliable reference and measurement microphones that are accurate in the time domain and frequency response. They are remarkably stable with respect to temperature and atmospheric conditions and are optimized for clean, very fast impulse performance providing accurate wideband response with virtually no handling noise.

Earthworks M30 Features:

  • Ideally suited for acoustical measurements including loudspeaker design and quality control, sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required
  • Improved version of the SMAARTMIC™ previously offered by Earthworks
  • Omnidirectional polar pattern
  • Flat frequency response, fast impulse response and exceptional polar characteristics
  • Used by SMAART™, MLSSA™, Spectrafoo™, TEF™ and RTA in addition to acoustic measurement systems manufactured by dbx, DEQX and others
  • Each M Series microphone is delivered with its own calibration chart providing its individually measured open-circuit sensitivity and the frequency response curve
  • Electronic Calibration File available

Earthworks M30 Specifications:

  • Frequency Response: 5 Hz - 30 kHz ±1/-3dB
  • Polar Pattern: Omnidirectional
  • Sensitivity: 30mV/Pa (-30.5dBV/Pa)
  • Power Requirements: 48V Phantom, 10mA
  • Max Acoustic Input: 142dB SPL
  • Output: XLR (pin 2+)
  • Output Impedance: 100 Ohms, balanced (50 Ohms ea. pin 2 & 3)
  • Min Output Load: 600 Ohms between pins 2 &3
  • Noise: 22dB SPL equivalent (A weighted)
  • Meets or exceeds ANSI Type 1 and applicable IEC 61094 requirements
  • Operating Temp Range: 14° - 104°F (-10° - 40°C)
  • Storage Temp Range: -4° - 122°F (-20° - 50°C)
  • Dimensions (L x D):  9" x 0.860" (229mm x 22mm)
  • Weight:  0.5 lb. (225g)
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