Studio Projects C4 MkII Review: Recording test in practice

Alistair Vance
Written by Alistair Vance

February 28, 2026

Studio Projects C4 MkII

Studio Projects C4 MkII Review: Recording test in practice

Technical characteristics of Studio Projects C4 MkII

  • Matched pair
  • With exchangeable capsule system: Hyper-cardioid, cardioid and ball capsule
  • 10/20 dB pad switch
  • High pass filter 75 Hz or 150 Hz switchable
  • Transformerless output circuit
  • Frequency response: 40 Hz. ~ 20 kHz
  • Output impedance: 200 Ohm
  • Sensitivity: 12 mV/Pa
  • Peak SPL: 150 dB SPL with -10 dB pad
  • Inherent noise: 16 dB (A)
  • 2 Micro-clips and 2x windshield included

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Studio Projects C4 MkII Review: Recording test in practice

Studio Projects C4 MkII Review: Recording test in practice

Studio Projects C4 MkII Review: Recording test in practice

Studio Projects C4 MkII Review: Recording test in practice

Studio Projects C4 MkII Review: Recording test in practice

Studio Projects C4 MkII Review: Recording test in practice

Studio Projects C4 MkII Review: Recording test in practice

Studio Projects C4 MkII Review: Recording test in practice

Studio Projects C4 MkII Review: Recording test in practice

Additional Information

Customer Review Summary

Studio Projects C4 MkII

Included in the package are two interchangeable capsules (cardioid and omnidirectional), sturdy plastic clamps, and a full metal stereo bar that simplifies the setup for XY or ORTF stereo configurations. Additionally, the set comes with windshields and a spacious, padded case that, while perhaps slightly oversized, provides ample protection.

The sound produced by these microphones is impressive, particularly for recording drum overheads and acoustic guitars. The omnidirectional capsules deliver a very linear frequency response, with a slight emphasis on the highs that enhances cymbals in overhead recordings. The cardioid pattern exhibits even more pronounced high-end clarity, setting it apart from competitors in the same price range.

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Build quality is commendable; both the microphone bodies and accessories feel solid and well-constructed. The metal capsules and tactile controls for the pad (-10dB, -20dB) and low-cut filters (75Hz and 150Hz) add to the overall premium feel. However, some users have reported minor issues regarding the durability of the logos and occasional background noise at high gain settings.

Overall, the C4 MkII microphones are a versatile and high-quality pair that can achieve professional results across a variety of instruments and settings. They are particularly recommended as a first matched pair for those looking to explore different recording applications. While they may not compete with higher-end brands, their price-to-performance ratio is excellent, providing a solid option for anyone in need of reliable small diaphragm condenser microphones.



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Alistair Vance

Based in Bristol, Al has spent over a decade mixing local bands before specialising in hybrid studio consulting. He’s obsessed with the price-to-performance ratio, helping musicians achieve a "Radio Ready" sound without the need for a £50,000 Neve console. No fluff, just honest gear reviews to get your tracks sounding professional on a real-world budget.

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