Earthworks SR25 Instrument Microphone


Precision engineered cardioid condenser designed for drums, guitar amp and other loud instruments. 50Hz – 25kHz flat frequency response. Cardioid polar pattern. Handles up to 145dB SPL without distortion”.

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The Earthworks SR25 is a cardioid instrument microphone with 145dB SPL handling and flat 50Hz-to-25kHz frequency response, specifically designed for miking drums and electric guitars in live performance and studio recording

When engineers think of Earthworks mics, it’s generally in terms of acoustic ensemble recording. But if you want larger-than-life, being-in-the-room-with-the-band sonics for drums and guitar, don’t overlook the SR25. With Earthworks’ highly compliant diaphragm with the fastest settling time around, the SR25 has a lightning-fast transient response—perfect for percussion—and delivers uniform timbre and frequency response across the entire front of the capsule, enabling you to capture that elusive perfect tone. Plus, with an SPL rating of 145dB, you can close-mic a drum kit or guitar amp cranked to eleven, without worry of distortion or overload—just a big sound that’s true to the source, faithfully capturing every nuance and detail of your or the artist’s performance.

Earthworks SR25 instrument microphone in one take:

  • Extended frequency response to 25kHz
  • Multi-purpose cardioid microphone
  • Handles up to 145dB SPL without distortion
  • More gain before feedback than other microphones
  • Less leakage
  • Textbook perfect cardioid polar pattern with natural on- and off-axis performance
  • Provides excellent results for both live performance and recording applications
  • Extreme accuracy in the time domain for faithful reproduction and no smearing or distortion
  • Transparent sound quality
  • Shorter diaphragm settling time to prevent quieter attacks from being blurred by earlier louder attacks

Extended frequency response to 25kHz

The Earthworks SR25 is a directional pre-polarized condenser microphone with a first-order cardioid pickup pattern directly coupled to a dedicated wideband, low output impedance transformerless preamplifier. It features a fast impulse response, very low handling noise, uniform polar pattern, and high SPL handling capabilities. The SR25 also provides excellent uncolored rejection of sounds arriving off-axis and a transparent sonic character with an even 50Hz – 25kHz frequency response. Its near-perfect cardioid polar pattern is consistent across all frequencies, simplifying mic placement and ensuring more gain before feedback, which makes it a very capable mic for live sound reinforcement.

Earthworks SR25 Instrument Microphone applications 

Specifically designed for drums, percussion, and guitar amps, the SR25 is also an excellent choice for a variety of other instruments. It has a brilliance that quite literally shines on drum overheads, percussion, Leslie speakers, guitar and bass. A versatile microphone for both the studio and onstage, its 32dB of off-axis rejection means the SR25 is adept at capturing audio in highly ambient environments and near monitor speakers.

Earthworks SR25 applications in one take:

  • Acoustic String Instruments
  • Bass Amp
  • Brass/Woodwinds
  • Drums/Percussion
  • Guitar Amp
  • Recording

Whether you’re tracking in the studio or live onstage, the Earthworks SR25 is for anyone who wants a larger-than-life sound combined with true-to-the- source sonics. For more information, call or chat online with your Westlake Pro Sales Consultant.


Earthworks SR25 specifications:

  • Frequency Response: 20Hz – 25kHz
  • Polar Pattern: Cardioid
  • Sensitivity: 10mV/Pa (-40dBV/Pa)
  • Power Requirements: 24-48V Phantom, 10mA
  • Max Acoustic Input: 145dB SPL
  • Output: XLR (pin 2+)
  • Output Impedance: 65 ohm balanced (between pins 2 & 3)
  • Min Output Load: 600 ohm between pins 2 & 3
  • Noise: 20dB SPL equivalent (A weighted)
  • Dimensions L x D: 6-1/2″ x 7/8″ (165 x 22 mm)
  • Weight: .35 lb. (160g)

Additional information


.35 lb (160g)

Minimum Output Load

600Ω between pins 2 & 3


20dB SPL equivalent (A weighted)


165mm x x 22mm (6.5 x .860 inches)

Output Impedance

65Ω balanced (between pins 2 & 3)

Max Acoustic Input

145dB SPL

Polar Pattern



10mV/Pa (-40dBV/Pa)

Power Requirements

24-48V Phantom, 10mA


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