Shure KSM42

Large Dual-Diaphragm Microphone


Shure KSM42

Dual-diaphragm cardioid microphone delivers exceptionally smooth proximity control and ultra-wide dynamic range. It features a natural off-axis response, a dual-diaphragm with a gold Mylar diaphragm, a 3-stage grille, and an internal shock mount.

The Shure KSM42’s premium side-address, cardioid condenser microphone features a large dual-diaphragm capsule, optimized for world-class vocal recording and performance applications. With a tailored frequency response and extensive internal and external pop filtering, the single-pattern, dual-diaphragm design of the KSM42, featuring Prethos® Advanced Preamplifier Technology exhibits an exceptionally smooth proximity control and ultra-wide dynamic range. The KSM42 is the premier choice for capturing sophisticated, powerful, and intimate vocal performances.

A milestone achievement in sound reinforcement, Prethos Advanced Preamplifier Technology employs transparent internal circuitry architectures that enable unprecedented audio quality and performance.


  • The highly consistent cardioid polar pattern creates a broad “sweet spot” and natural off-axis response
    Prethos® Advanced Preamplifier Technology exhibits extremely low self-noise with superior dynamic range, transient response, and ultra-low distortion for transparent recording
  • Dual-diaphragm design with an active front, ultra-thin (2.5 microns) 24-karat gold, low mass, 1-inch Mylar® diaphragm
  • Passive back diaphragm delivers exceptional control of low-frequency proximity effect
  • Tailored low-frequency roll-off minimizes low-frequency room noise
  • Integrated three-stage mesh grille guards against wind and breath noise
  • Open cage ShureLock® rubber suspension shock mount with low-profile Popper Stopper™ magnetic pop filter produces a natural space between the performer and microphone
  • Extremely low self-noise for critical studio vocal recording
  • Premium electronic components and gold-plated internal and external connectors
  • Durable zinc die-cast housing and hardened low-carbon steel grille
  • Internal shock mount to reduce unwanted handling and stand noise

In the Box:
1 – A42SM Shurelock Rubber Suspension Shock Mount
1 – A42PF Popper Stopper Magnetic Pop-Filter
1 – AK42C Zippered Carrying Case
1 – A42VB Protective Velveteen Pouch
1 – A42OR Spare Set of Rubber Suspension Shock Mount O Rings


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