Earthworks PM40 PianoMic™ Piano Microphone System System

for miking grand pianos in live or studio sessions with no mic stands or booms

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What's in the box:

  • Earthworks Audio PM40 PianoMic™
  • 1 PianoMic™ Telescoping Bar with Attached Microphone Heads
  • 1 Microphone Electronics Box
  • 1 Leather Pouch for Electronics Box
  • 1 Mic Stand Mounting Bracket for Electronics Box
  • 2 Ears for the Mounting Bracket
  • 2 Screws for the Ears & Bracket
  • 4 Felt Pads with Adhesive Backing
  • 1 Carrying Case
  • 10-year Limited Warranty


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The PM40 PianoMic™ System was designed to revolutionize piano miking and achieve an incredible improvement in piano sound for live and recording applications with no mic stands or booms. There is more gain before feedback, significantly less leakage from surrounding instruments and the same pristine sound quality with the piano lid either up or down.

At the heart of the system are two Random Incidence, omnidirectional, 40 kHz High Definition Microphones™. With a frequency response of 9 Hz to 40 kHz, the mics deliver extraordinary impulse response and extremely short diaphragm settling times. In addition, the microphones exhibit no proximity effect, regardless of their distance from the piano strings or soundboard. The mics, when positioned close to the sound source, also provide incredible gain before feedback.


  • The original PianoMic™ System and winner of the 2008 TEC Award for Microphone Technology/Recording
  • Cannot be seen from outside of the piano (needs no stands or mic booms)
  • Superb sound with the piano lid either up or down
  • Virtually no leakage from sounds outside the piano
  • Incredible gain before feedback
  • Recording studios can now record piano with other instruments in the same room
  • Handles sound pressure levels up to 148dB
  • Incredible gain before feedback
  • Quick, Simple and Easy Setup
  • 40kHz Random Incidence Omnis
  • Hear the full range of the piano including the high and low strings with no hot spots
  • The telescoping bar allows the PianoMic™ to be quickly and easily installed in nearly all grand pianos and to place the microphones close to or away from the dampers and get the exact sound desired

Specifications for the Earthworks PM40 PianoMic™ Piano Microphone System

{ "Frequency Response" : "9Hz to 40kHz", "Polar Pattern" : "Omnidirectional (random incidence)", "Sensitivity" : "15mV/Pa (-36dBV/Pa)", "Power Requirements" : " 24-48V Phantom, 10mA", "Max Acoustic Input" : "148dB SPL", "Output" : "XLR-3 (pin 2+)", "Output Impedance" : "65Ω balanced (between pins 2 & 3)", "Min Output Load" : "600Ω between pins 2 & 3", "Noise" : "22dB SPL equivalent (A weighted)", "Mic Gooseneck Length" : "4.75″", "Dimensions" : "64″ fully extended, 46″ fully collapsed", "Weight" : [ "Mic Assembly .75 lb. (350g)", "With External Electronics Box 1.5 lb. (700g)" ] }

Research Materials for Earthworks Audio PM40 PianoMic™

We've added technical materials to help with your buying decision. Even if you're technically inclined, you may want to consider talking to our sales techs to make sure this item is the right fit for your particular use. 800.562.6006

PM40 PianoMic™ User Guide

PM40 PianoMic™ Quick Start Guide

PM40 PianoMic - Simply Beautiful | Earthworks Audio

Stevie Wonder Trying the Earthworks PM40 PianoMic System at NAMM 2012

Jazz Pianist Dan Delaney Demonstrates the PianoMic? System by Earthworks

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