PM40T PianoMic™


Touring Piano Microphone System

Touring piano miking system housed in a compact airline friendly carry-on case designed to revolutionize piano miking and achieve an incredible improvement in piano sound with no mic stands or booms

  • No mic stands or booms needed

  • Pristine sound with the lid up or down

  • Quick and simple setup

From $3199

  • Touring Model
  • 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
  • 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

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)

The innovative PianoMic™ System required the design of unique high definition microphones. Virtually all microphones used for recording and sound reinforcement are “free field” microphones, designed to pick up sounds in front of them. In contrast, the microphones in the PianoMic™ System are actually placed within the sound field of the piano, where sound is coming at the microphones from multiple sources and multiple directions. Each string is a separate sound source and the soundboard is also a sound source.

In addition, there are multiple reflections of each sound source from the soundboard, piano sides and piano lid. These reflections, arriving from different angles, create what is known as a “diffuse sound field.” A “random-incidence” microphone is designed to be placed within such a diffuse sound field and pick up sounds uniformly, whether they arrive at the front, the sides or the rear of the microphone. The PianoMic™ System achieves much of its remarkable performance through the use of specially designed, 40kHz random-incidence High Definition Microphones™.

  • Piano

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  • PM40T-C Case
  • PMVM1 Touch-Fastner Mount for PM40



Front of House

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“I can’t think of a product that makes miking a closed lid grand piano easier or that yields a more satisfying audio result.”



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“The PM40T exhibits the clean and unobtrusive realism that Earthworks is known for. In other words, it sounds like your piano.”


Religious Product News

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“With other mics, there always tended to be hot spots, making certain frequency ranges of the piano stand out more than others. In contrast, the PianoMic™ provides an even coverage throughout.”


A lovely sounding microphone that maintains its integrity whether the piano is fully open, on a short stick or fully closed. This has helped maintain a level of consistency for the show in any situation we have found ourselves in. Be that indoors, outdoors or accompanied by other instruments.

Suneil Pusari, Engineer, Rufus Wainwright

Bruce frequently appears on early morning TV shows or other programs where there’s very little time to prepare the piano. For events such as an NBA game, where he performs the National Anthem, we frequently have less than a minute to be ready. By having the PM40 installed inside the piano, we can roll the piano into place, make the cable connections, and be ready to go. If we had to place microphones on stands, we’d never make it. Having the microphones pre-positioned is a huge benefit that ensures we’ll get the sound we want.

Live sound reinforcement on a piano has always been a challenge because there is always so much noise onstage and a lot of noise rolling off the P.A. back onto the stage. Once we started using the PM40, we found we were able to run with the volumes we wanted to run at; the tone was amazing and it sounded like a piano. We didn’t have to work to get it to sound that way–you just put the mic in the piano and go.

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