Shure KSM42/SG Large Dual-Diaphragm Vocal Microphone
Best professional condenser for studio vocalists seeking smooth, natural sound capture.
Experience superior vocal capture with the Shure KSM42/SG Large Dual-Diaphragm Vocal Microphone. Presented in a sophisticated Sable Gray finish, this professional condenser microphone is engineered to balance smooth sonic characteristics with robust build quality. Its dual-diaphragm cardioid design ensures exceptionally smooth proximity control and an ultra-wide dynamic range. Key features include a natural off-axis response, a gold Mylar diaphragm, a protective 3-stage grille, and an integrated internal shock mount for minimized unwanted noise during performance.
$749.00
Owner Satisfaction
4.7
/ 5
Category Rank
269
/ 3337
#269 in Microphones
Price vs Category Average
+47%
Above average
Microphone Type
Condenser
/ Condenser
Who it's for
- Vocalists seeking a polished, radio-ready studio sound
- Singers who perform close to the microphone
- Professional engineers needing durable, noise-resistant gear
Who should skip it
- Budget-conscious beginners building a home studio
- Producers looking for a versatile, all-purpose instrument mic
- Users without phantom power-capable audio interfaces
Performance breakdown
Vocal Clarity
The dual-diaphragm design captures nuanced vocal textures with professional precision.
Proximity Control
Maintains a consistent tonal balance even when working extremely close.
Dynamic Range
Handles quiet whispers and powerful belting with impressive sonic headroom.
Build Durability
The 3-stage grille provides robust protection for demanding studio environments.
Noise Isolation
Integrated shock mounting effectively minimizes handling noise and low-end rumble.
Off-Axis Response
Delivers a natural, uncolored sound even when the source moves slightly.
Key Specs
Microphone Type
Condenser
Polar Pattern
Cardioid
Diaphragm Size
Large Dual-Diaphragm
Intended Use
Vocal
Model Number
KSM42/SG
UPC
042406183628
Shipping Option
Free Shipping to the Continental U.S.
Power Source
Phantom Power
Features
- Dual-diaphragm cardioid design for smooth sound
- Exceptional proximity control
- Ultra-wide dynamic range capture
- Natural off-axis response
- Gold Mylar diaphragm element
- Integrated internal shock mount
- Durable 3-stage grille protection
- Sleek Sable Gray finish
What customers say
The Shure KSM42/SG is highly regarded for delivering exceptional vocal clarity and a smooth high-frequency response that avoids harshness. Users consistently praise its innovative dual-diaphragm design, which effectively minimizes room reflections and proximity effect. This results in a focused, intimate vocal sound, even when acoustics are challenging. This unique capability is seen as a key differentiator that justifies the premium investment by streamlining post-production. Beyond performance, the microphone's robust, studio-grade build quality reinforces Shure's reputation for reliability. Engineers confirm this specialized tool provides the pristine, transparent vocal capture necessary for professional results, provided it is paired with a quality preamp to fully reveal its subtle nuances.
Know before you buy
The dual-diaphragm design provides superior control over the proximity effect, which is the bass boost that occurs when a singer gets close to the mic. This allows for a more consistent, natural sound even if the vocalist moves around or changes their distance from the capsule.
Yes, the KSM42/SG is a condenser microphone and requires +48V phantom power to operate. You will need to connect it to an audio interface or mixer that can provide this power via an XLR cable.
The internal shock mount helps isolate the capsule from mechanical vibrations and handling noise. While it reduces the need for bulky external suspension mounts, it is still recommended to use the included external shock mount for maximum protection against stand-borne rumble.
While the KSM42/SG is specifically voiced and engineered for vocal capture, its ultra-wide dynamic range and natural off-axis response make it a capable choice for acoustic instruments as well. It performs particularly well on sources where you want a smooth, detailed, and uncolored sound.
The 3-stage grille is designed to protect the sensitive gold Mylar diaphragm from moisture, breath blasts, and physical damage. It acts as an integrated pop filter, helping to reduce plosives while maintaining the microphone's sonic clarity.
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