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Shure KSM40C

ShureMicrophone

KSM40C

Released March 2026.4Press releaseshure.com/en-US/newsroom/shure-unveils-ksm-studio-microphonesRead 14 October 2026The KSM line will be available this spring. The month is approximate: the US store page took orders by early March 2026 and Thomann lists the KSM40C as available since April 2026. Last checked 14 October 2026.

Type
Condenser
Polar patterns
Cardioid
Outputs
XLR
Frequency response
20 Hz / 20 kHz

36 of 61 fields known.

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At a glance

All specs

SourceCalculated

General

Series
KSM4Press releaseshure.com/en-US/newsroom/shure-unveils-ksm-studio-microphonesRead 14 October 2026The release calls the KSM32C, KSM40C and KSM44MP the new KSM condenser microphone line.
Model numbers
KSM40C1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026SKU KSM40C.
GTIN / EAN
0424068629981Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026UPC 042406862998 in the page data of the US store.
Announced
21 January 20264Press releaseshure.com/en-US/newsroom/shure-unveils-ksm-studio-microphonesRead 14 October 2026Release dated January 21, 2026, from NAMM 2026 in Anaheim.6Press articlegearnews.comRead 14 October 2026Gearnews reports the NAMM 2026 launch of the three KSM mics.
Status
Available1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026The US store page has Add to Cart and a New tag. The page data says availability: available.7Reviewsoundonsound.com/reviews/shure-ksm40c-ksm44mp-ksm32cRead 14 October 2026Review of June 2026 with a UK price of 849 GBP and a US price of 879 USD.8Retailer pagethomann.de/be/shure_ksm40c.htmRead 14 October 2026In stock and can be shipped immediately.
Predecessor
Not available
Successor
Not available
Launch price (US)
$8791Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026US store price 879 USD, the same figure as the NAMM press release.4Press releaseshure.com/en-US/newsroom/shure-unveils-ksm-studio-microphonesRead 14 October 2026KSM40C Large Diaphragm Cardioid Condenser Microphone (879 USD). The release gives no euro price.
Launch price (EU)
€9696Press articlegearnews.comRead 14 October 2026Gearnews, 2026-01-22: MSRP pricing KSM40C 969 EUR. Shure's EU store shows the same 969 EUR. VAT treatment is not stated. The UK price is 849 GBP including VAT.
Markets
Not available
Colours
Black7Reviewsoundonsound.com/reviews/shure-ksm40c-ksm44mp-ksm32cRead 14 October 2026The new bodies are a black cylindrical body.8Retailer pagethomann.de/be/shure_ksm40c.htmRead 14 October 2026Colour: Black.
Microphone type
Condenser1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Page data: transducer type condenser. The guide says condenser (externally biased).2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Specifications, type: condenser (externally biased).

Capsule and pickup

Capsule size
25.4mm1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Page text: precision engineered 1 inch capsule. Stored as 25.4 mm.
Capsules
11Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026The user guide calls it a premium 1 inch single-diaphragm cardioid capsule.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026What is the KSM40C: a side-address condenser microphone with a premium 1 inch single-diaphragm cardioid capsule. No capsule count is printed, so one is the reading of single-diaphragm.
Polar patterns
Cardioid1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Page: uniform cardioid polar pattern.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026
Address type
Side address1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Page data form factor: side-address large diaphragm. The user guide says the logo marks the front.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026The KSM40C is a side-address condenser microphone. The Shure logo marks the front.7Reviewsoundonsound.com/reviews/shure-ksm40c-ksm44mp-ksm32cRead 14 October 2026The KSM40C is a side-address mic with a very similar look to the KSM32.

Sound specs

Frequency response
Min20 HzMax20 kHz2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Specifications: 20 to 20,000 Hz. The frequency response plot is taken 0.6 m (2 ft) from the sound source.8Retailer pagethomann.de/be/shure_ksm40c.htmRead 14 October 2026Frequency range 20 to 20,000 Hz.
Sensitivity (analog)
-33.5dBV/Pa2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Open circuit voltage at 1 kHz, typical: -33.5 dBV/Pa (21 mV), 1 Pa = 94 dB SPL.8Retailer pagethomann.de/be/shure_ksm40c.htmRead 14 October 2026Sensitivity -33.5 dBV/Pa.
Sensitivity (digital)
Not available
Max SPL
138dB SPL2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Maximum SPL at 1 kHz, 1 percent THD, no pad: 134 dB SPL with a 1000 ohm load and 138 dB SPL with a 2500 or 5000 ohm load. With the 15 dB pad 149 and 153 dB SPL. The 138 dB figure at 2500 ohm without the pad is stored. The guide says the preamp load should be at least 1000 ohm.
Max SPL distortion limit
1%2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026The maximum SPL table is stated at 1 kHz and 1 percent THD.
Self-noise
7.5dB(A)1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Page data: equivalent self-noise 7.5 dBA.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Equivalent SPL, A-weighted, typical: 7.5 dBA.7Reviewsoundonsound.com/reviews/shure-ksm40c-ksm44mp-ksm32cRead 14 October 2026The review prints self-noise of 7.5 dBA for the KSM40C.
Digital noise floor
Not available
Signal-to-noise ratio
86.5dB2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Signal-to-noise ratio 86.5 dB. The guide gives no reference level. It equals 94 dB SPL minus the 7.5 dBA self-noise.
Dynamic range
130dB2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026At 1 kHz: 127 dB with a 1000 ohm load and 130 dB with a 2500 or 5000 ohm load. The 2500 ohm figure is stored, to match max SPL. No pad.
Output impedance
70Ω2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Output impedance 70 ohm +/- 5.8Retailer pagethomann.de/be/shure_ksm40c.htmRead 14 October 2026Output impedance 70 ohm.

Connectivity

Outputs
XLR1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Page data connector: 3-pin XLR.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Connector: three-pin professional audio (XLR), male, balanced.
Inputs for other sources
Not available
USB and XLR at once
Not available
USB port
Not available
Cable host plug
Not available
Cable length
Not available
Phantom power
Required1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Page data: requires phantom power 48 V.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026For best performance the microphone needs +48 V DC phantom power. It works down to 12 VDC but does not meet all specifications. Power requirements: 48 V DC phantom power (5.6 mA).

Digital audio

We could not find any of these 3 fields. Show them
Max bit depth
Not available
Max sample rate
Not available
32-bit float recording
Not available

Monitoring

Headphone output
No1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Page data: headphone output false.
Zero-latency monitoring
Not available

Controls and processing

Onboard controls
Not available
Onboard processing
High-pass filter, Attenuation pad2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Three-position low frequency filter switch: flat, 6 dB per octave below 115 Hz or 18 dB per octave below 80 Hz. The 0 or -15 dB attenuation switch is stored as pad.7Reviewsoundonsound.com/reviews/shure-ksm40c-ksm44mp-ksm32cRead 14 October 2026The KSM40C keeps the 15 dB pad and the high-pass filter options of earlier models. The review calls the two high-pass settings useful.10Reviewbonedo.deRead 14 October 2026The pad and the low cut at 80 Hz with 18 dB per octave or 115 Hz with 6 dB per octave are on the KSM40C.

Mounting and accessories

Mount threads
5/8 inch, 3/8 inch2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Furnished accessories: the AKSM40/44-SM shock mount and a 31B1856 brass adapter. The thread sizes come from the retailer listing of the shock mount.9Retailer pagegoknight.com/shure-aksm40-44-sm-shockmount-for-ksm40c-and-ksm44mpRead 14 October 2026Retailer spec of the AKSM40/44-SM shock mount, which ships with the KSM40C: mounting thread size 5/8 in-27 female, 3/8 in-16 female with the included adapter.
Shock mount
Included1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Box list: 1 Shock Mount and 1 set of 8 replacement bands.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Furnished accessories: AKSM40/44-SM shock mount for KSM40C and KSM44MP and AKSMEB elastic bands. Version 0.2 (2026-A) of the guide.7Reviewsoundonsound.com/reviews/shure-ksm40c-ksm44mp-ksm32cRead 14 October 2026A shock mount ships with the KSM40C.10Reviewbonedo.deRead 14 October 2026Shipped with a spider shock mount.
Pop filter
External screen1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Box list: 1 Magnetic Pop Filter. Shure calls it a curved magnetic pop filter in the launch release.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Furnished accessories: A4PF magnetic pop filter.4Press releaseshure.com/en-US/newsroom/shure-unveils-ksm-studio-microphonesRead 14 October 2026Curved magnetic pop filters ship with the line.7Reviewsoundonsound.com/reviews/shure-ksm40c-ksm44mp-ksm32cRead 14 October 2026A pop shield fixes magnetically to the upper ring of the shock mount.10Reviewbonedo.deRead 14 October 2026Bonedo, 2026-08-20: the KSM40C ships with a shock mount and a magnetic pop filter made of metal.
Desk stand included
No1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026The box list names no stand or base. A shock mount, a pop filter, a case, bands and a threaded adapter are listed.

Design and build

Housing material
Machined, anodized aluminum alloy1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Page data lists a metal housing. The user guide says machined, anodized aluminum alloy.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Housing: machined, anodized aluminum alloy.4Press releaseshure.com/en-US/newsroom/shure-unveils-ksm-studio-microphonesRead 14 October 2026Lightweight, all-metal construction.7Reviewsoundonsound.com/reviews/shure-ksm40c-ksm44mp-ksm32cRead 14 October 2026The headbasket is formed from a single piece of metal. The reviewer says the body is a black cylinder.10Reviewbonedo.deRead 14 October 2026Two-part metal tube, aluminum lower part and a steel basket.
RGB lighting
Not available
Lighting zones
Not available

Software

We could not find any of these 2 fields. Show them
Software
Not available
User firmware updates
Not available

Compatibility

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Works with
Not available
Consoles
Not available

Dimensions and weight

Front and side, drawn to scale.

Microphone dimensions
Width47.6Height171.1Depth47.6mm(1.9 × 6.7 × 1.9 in)2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Dimensions drawing, page 6: 171.1 mm (6.74 in) long including the XLR base and 47.6 mm (1.87 in) in diameter. The microphone is spoken into from its side, so the length is the height and the diameter is used for width and depth.8Retailer pagethomann.de/be/shure_ksm40c.htmRead 14 October 2026Dimensions (D x H): 48 x 171 mm, which matches the maker's 47.6 x 171.1 mm.10Reviewbonedo.deRead 14 October 2026The KSM44MP and KSM40C are both 17.1 cm long.
Microphone weight
285g(10.1 oz)1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026The page data lists weight 285 g.2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026Weight 285 g (10.1 oz), the microphone without the shock mount.8Retailer pagethomann.de/be/shure_ksm40c.htmRead 14 October 2026Weight: 0.285 kg.
Weight with stand
Not available

Certifications

Other certifications
CE, UKCA2Owner's manualpubs.shure.com/view/guide/KSM40C/en-US.pdfRead 14 October 2026The guide has a CE notice and a UKCA notice for the CE and UKCA marks.

In the box

In the box
KSM40C Large Diaphragm Condenser Microphone, Shock Mount, Magnetic Pop Filter, Premium Zippered Carrying Case, Set Replacement Shock Mount Bands (8), Threaded Adapter1Maker product pageshure.com/en-US/products/microphones/ksm40cRead 14 October 2026Box list as printed, each with quantity 1. The set of bands holds 8. The guide's furnished accessories also name an A4M swivel hard mount, which the box list on the page and in the press release leaves out. The page list is followed.

Warranty

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Manufacturer warranty (source market)
Not available

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Sources

We read 10 sources for this microphone. The numbers match the markers in the sheet.

  1. Read 14 October 2026Backs 20 fields
  2. Read 14 October 2026Backs 22 fields
  3. Read 14 October 2026Backs 1 field
  4. Read 14 October 2026Backs 6 fields
  5. Read 14 October 2026Backs 1 field
  6. Press articlegearnews.com
    Read 14 October 2026Backs 2 fields
  7. Read 14 October 2026Backs 8 fields
  8. Read 14 October 2026Backs 8 fields
  9. Read 14 October 2026Backs 1 field
  10. Reviewbonedo.de
    Read 14 October 2026Backs 5 fields

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