MXL 990/991 Set Review: Honest opinion on the sound

Alistair Vance
Written by Alistair Vance

May 1, 2026

MXL 990/991 Set

MXL 990/991 Set Review: Honest opinion on the sound

MXL microphone attributes

  • Consisting of MXL 990 large diaphragm condenser microphone and MXL 991 small diaphragm condenser microphone
  • Frequency range: 30 Hz – 20 kHz
  • Sound pressure level: 130 dB max. SPL
  • Cardioid
  • Requires 48V phantom power
  • incl. microphone mount and transport case
  • Frequency range: 30Hz – 18kHz
  • Sound pressure level: 137 dB max. SPL
  • Cardioid
  • Requires 48V phantom power

Images

MXL 990/991 Set Review: Honest opinion on the sound

MXL 990/991 Set Review: Honest opinion on the sound

MXL 990/991 Set Review: Honest opinion on the sound

MXL 990/991 Set Review: Honest opinion on the sound

MXL 990/991 Set Review: Honest opinion on the sound

MXL 990/991 Set Review: Honest opinion on the sound

MXL 990/991 Set Review: Honest opinion on the sound

MXL 990/991 Set Review: Honest opinion on the sound

MXL 990/991 Set Review: Honest opinion on the sound

Additional Information

Customer Review Summary

The MXL 990/991 Set offers exceptional value for money, making it an ideal choice for both beginners and those looking to expand their recording capabilities.

The sound quality is clean and crisp, with the microphones delivering satisfactory results for vocals and acoustic guitars. The 990 is particularly praised for its warmth and depth, while the 991 excels when placed in front of guitar amplifiers. Both mics can be used effectively for various applications, including overheads and live recordings.

Flexibility is a key feature; the ability to record in stereo with two microphones opens up numerous creative possibilities. The included carry case, although plastic, adds convenience for transport. However, it’s advisable to consider purchasing a better shock mount for the 990, as the one provided may not perform optimally in all situations.

While these microphones may not satisfy the needs of professionals seeking high-end equipment, they are certainly robust enough for home studio use. Their premium feel and appearance are commendable for the price range, and they have become a reliable go-to for many users.

See also  Sennheiser E 904 Review: Tested and rated in the studio

In summary, if you are in search of versatile, affordable microphones that deliver quality sound, the MXL 990/991 Set is highly recommended.



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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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