Earthworks QTC30 MP - Pair of omnidirectional condenser microphones
Earthworks QTC30 MP is a professional matched stereo set of omnidirectional condenser microphones. With an ultra-wide frequency range of 3 Hz – 30 kHz and low self-noise, they are ideal for high-fidelity recording of vocals, instruments, ambient sounds, and more. Includes clips and matching certificate.
Limited availability
Earthworks QTC30 MP – high-precision matched condenser microphone set
The Earthworks QTC30 MP is a matched set of two high-end omnidirectional condenser microphones, designed for ultra-accurate audio capture. With an impressive frequency range from 3 Hz to 30 kHz and an extremely low self-noise level, this set is a perfect choice for sound engineers, producers, and studio professionals who demand the highest fidelity.
Product features
- Factory-matched microphones for perfect stereo performance
- Omnidirectional pickup pattern – natural and even room sound capture
- Ultra-wide frequency response: 3 Hz – 30 kHz
- Extremely low self-noise: 20 dB SPL (A-weighted)
- Handles extremely high SPL – up to 140 dB without distortion
Versatility and advanced accuracy
Thanks to the wide frequency range, high sensitivity, and omnidirectional pattern, the QTC30 MP performs exceptionally well in both studio and live environments. It captures every sonic detail – from a vocalist’s breath to the softest string instrument nuances. Also perfect for ambient recording, soundscapes, ASMR, and field recordings.
Applications
- Professional stereo recordings
- Capturing choirs and orchestras
- Recording soundscapes and environmental audio
- Film production and nature sound capture
Detailed technical specifications
- Frequency response: 3 Hz – 30 kHz ±1/-3 dB
- Polar pattern: omnidirectional
- Sensitivity: 34 mV/Pa (-29 dBV/Pa)
- Self-noise: 20 dB SPL (A-weighted)
- Max SPL: 140 dB
- Output impedance: 65 Ω (balanced)
- Recommended load: ≥600 Ω
- Power: 24–48 V phantom, 10 mA
- Dimensions: length 165 mm, diameter 22 mm
- Weight: 0.35 kg
Materials and construction
The microphones feature a precision-machined metal body, built for durability and long-term performance. The capsule design ensures a flat frequency response and minimal distortion.
Included in the box
- 2x Earthworks QTC30 microphones
- 2x microphone clips
- Hard case
- Factory matching certificate
Why choose the Earthworks QTC30 MP?
The Earthworks QTC30 MP is the go-to solution for those who value the purest and most natural sound. This is not just a recording tool – it's a sonic instrument that takes your audio work to the next level. Whether you’re recording classical music, voiceovers, or atmospheric nature sounds – these microphones deliver pristine results.
Product delivery details Earthworks QTC30 MP - Pair of omnidirectional condenser microphones
Shipment from Warsaw, Poland.
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Ask question about product
Earthworks QTC30 MP - Pair of omnidirectional condenser microphones - Frequently asked questions.
What is the best use for the QTC30 MP?
Perfect for capturing vocals, acoustic instruments, choirs, and immersive soundscapes.
What is the frequency range of the microphones?
3 Hz to 30 kHz.
What SPL can these microphones handle?
Up to 140 dB SPL without distortion.
What polar pattern do they use?
Omnidirectional – capturing sound evenly from all directions.
Are the microphones factory matched?
Yes, Earthworks QTC30 MP comes as a precision-matched stereo pair.
What kind of power do they require?
Phantom power 24–48 V.
Do they come with clips?
Yes, microphone clips are included in the package.
What are the physical specs?
Length: 165 mm, diameter: 22 mm, weight: 0.35 kg.
Where are Earthworks microphones manufactured?
In the USA, using high-quality components.
Are they suitable for ASMR or very quiet sources?
Yes, the very low self-noise and sensitivity make them great for delicate recordings.
About manufacturer Earthworks

Earthworks to amerykański producent referencyjnych mikrofonów wokalnych, instrumentalnych i pomiarowych, do zastosowań scenicznych, studyjnych oraz instalacyjnych. Firma od samego początku skupia się na jakości swoich produktów, każdy z mikrofonów jest ręcznie strojony i testowany, aby dźwięk tak czysty i realistyczny, że możesz poczuć kalafonię ze smyczka poruszającego się po strunach instrumentu.
Company
- Manufacturer's headquarters: United States
- Average product rating: 5.0
Products
- Product count: 44