MSA Sordin Supreme Pro IV Review

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The MSA Sordin Supreme Pro IV electronic ear defenders are designed for hunting and shooting. They can limit loud noises such as gunshot to a safe volume of 82 dB, and can also amplify quiet sounds and connect to radios and MP3 players using an aux connection.

MSA are a well respected manufacturer of professional safety equipment, so you’d expect these ear defenders to perform well. Let’s take a closer look at what they can do and how they perform…


  • Foldable design
  • Takes 2 AAA batteries (included), which last for around 600 hours
  • Waterproof battery compartment
  • Aux-input
  • Splashproof microphones
  • NRR: 18 dB


These ear defenders do a great job at instantly reducing loud gunshot noises. They also feature microphones which amplify quieter noises such as people speaking, so you can easily communicate with others without having to take the ear defenders off.

For such an expensive pair of ear defenders, the audio quality is quite disappointing. The MSA Sordin Supreme Pro IVs can sound distorted and echoey, which is distracting when you’re shooting. However, the microphones are very effective and can pick up quiet sounds from 10 meters or so away.

Sometimes these ear defenders pick up some minor mobile phone interference, but they aren’t affected too much by this.

The headband can be adjusted so these ear muffs should fit most people, though some find them too tight. The ear defenders are comfortable and well padded.

Pros and cons

  • Effective at instantly dampening gunshot noises
  • Microphones have a good range
  • Comfortable
  • Pricey
  • Relatively poor sound quality


These ear defenders are comfy and do a great job at reducing the volume of gunshot noises. However, given the high price tag you’d expect the sound quality to be better. We’d recommend looking at some of the alternatives to get something better value for money.

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Two of the most popular alternatives to the MSA Sordin Supreme Pro IV ear defenders are the 3M Peltor SportTacs and the Howard Leight Impact Sports. The Howard Leight Impact Sport ear defenders are a good budget option, but overall we’d recommend the Peltor SportTac ear defenders for their combination of performance and quality construction.

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