Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated .

Average Price: $999

High-end/Boutique

$100

$401+

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Standard

High-end

Price History

Based on price data from 4 merchants for "Earthworks QTC40". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Earthworks QTC40 is a game-changer in the realm of studio recording gear, offering a remarkable blend of precision and clarity. As part of the esteemed Quiet Time-Coherent series, this small-diaphragm omnidirectional condenser microphone is engineered to capture even the most subtle nuances of your audio with pristine detail. Its fast transient response ensures that every peak is reproduced with minimal distortion, providing you with an untainted sonic experience.

Ideal for capturing the dynamic range of orchestras, choirs, and acoustic ensembles, the QTC40 boasts a wide, flat frequency response from 3 Hz to 40 kHz. This extensive range allows it to reproduce audio with exceptional accuracy, making it a valuable asset for high-definition recording and sound reinforcement applications. The omnidirectional polar pattern eliminates proximity effect, ensuring consistent sound quality from any direction.

With a maximum SPL handling of 140dB, the QTC40 is built to manage loud sound sources without compromising on clarity. Its whisper-quiet operation, enabled by a low noise floor, provides a clean canvas for your recordings, making it an essential tool for professional studios and serious home recording enthusiasts alike.

Key Features:

  • Small-diaphragm omnidirectional condenser microphone
  • Frequency response: 3 Hz to 40 kHz
  • Maximum SPL: 140dB
  • Requires +48V phantom power
  • Fast transient response for accurate peak reproduction
  • Omnidirectional polar pattern for consistent detail in all directions
  • Whisper-quiet performance with low noise floor

Product specs

Microphone Type Condenser
Polar Pattern Omnidirectional
Diaphragm Size Small
Frequency Response 3Hz-40kHz
Max SPL 140dB SPL
Output Impedance 65 ohms
Self Noise 20dB (A weighted)
Connector XLR
Power Source 24-48V phantom power
Dimensions 9" x 0.86"
Weight 0.5 lbs.

FAQs

What is the frequency response of the Earthworks QTC40 microphone?

The Earthworks QTC40 has an impressive frequency response range from 3Hz to 40kHz, making it suitable for capturing a wide spectrum of audio detail.

What is the polar pattern of the Earthworks QTC40, and how does it affect recording?

The Earthworks QTC40 features an omnidirectional polar pattern, which captures sound equally from all directions, ideal for recording ambient environments and ensemble performances.

Is the Earthworks QTC40 suitable for high-SPL environments?

Yes, the Earthworks QTC40 can handle sound pressure levels up to 140dB SPL, making it suitable for recording loud sources without distortion.

Does the Earthworks QTC40 require phantom power?

Yes, the Earthworks QTC40 requires 24-48V phantom power to operate, which is common for condenser microphones.

What are the primary applications for the Earthworks QTC40 microphone?

The Earthworks QTC40 is ideal for studio recording applications, including capturing vocals, acoustic instruments, and ambient soundscapes due to its wide frequency response and omnidirectional pattern.

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Earthworks QTC40.

Features and functionality

  • The Earthworks QTC40 offers a low-frequency response under 4Hz and a max SPL of 140dB, making it ideal for handling large air pressure changes.

    Source

User experience

  • Owners highlight the QTC40's ability to capture low-frequency content cleanly without distortion, essential for reproducing atmospheric conditions like wind storms.

    Source

Use cases and applications

  • The QTC40 is particularly suited for field recording in strong wind environments, capturing how architectural and natural spaces react to atmospheric changes.

    Source

Comparisons

  • The QTC40's extended low-frequency response and high SPL capacity are noted superior compared to Clippy EM272 capsules, which have a max SPL of 122dB.

    Source

Critic Reviews

Earthworks QTC40 review on thedrumninja.com

thedrumninja.com

Earthworks QTC40 microphones deliver exceptional audio clarity and detail, making them a standout choice for drummers seeking precision in their sound. Their durable build ensures longevity, and their omnidirectional pattern grants versatility in various settings. However, the hefty price tag of around $2000 for a matched pair may deter budget-conscious musicians. While these mics excel in studio environments, they may require careful placement in live gigs to prevent unwanted room noise. Overall, the QTC40s are an excellent investment for those who prioritize quality and are willing to pay for it.

positive

Earthworks QTC40 Matched Pair Review - InSync

sweetwater.com

The Earthworks QTC40 matched pair shines with exceptional craftsmanship and stunning sound quality, making it a go-to for capturing acoustic guitar's intricate details. While the price tag might deter some, the precision and musicality offered by these mics justify the investment for serious recordists. However, potential buyers should consider their budget and specific recording needs, as they may not be suitable for every setup. Overall, the QTC40 is highly recommended for those seeking clarity and authenticity in their recordings.

positive

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