Shure KSM42 Large Dual-Diaphragm Vocal Microphone Demo/Open Box


The KSM 42 is a premium side-address, cardioid condenser microphone featuring a large dual-diaphragm capsule, optimized for world-class vocal recording and performance applications.

Manufacturer Description:

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.



  • 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 micron) 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 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

Year Condition
Call Brand New


Sound Pure
Durham, NC
4:42 PM
10am-6pm EST Monday-Friday and 11am-5pm Saturday