Simple Ways To Adjust Gain On A Mic - WikiHow

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Terms of Use wikiHow is where trusted research and expert knowledge come together. Learn why people trust wikiHow How to Adjust Gain on a Mic PDF download Download Article Co-authored by Timothy Linetsky

Last Updated: April 9, 2025 References

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  • Tuning Digital Microphones
    • |
  • Using Analog Microphones
    • |
  • FAQ
    • |
  • Tips
    • |
  • Warnings
    • |
  • Things You'll Need
|Show more |Show less X

This article was co-authored by Timothy Linetsky. Timothy Linetsky is a DJ, producer, YouTuber, and music educator based in San Francisco, California. He has been making music for over 15 years, and is known for his YouTube channel You Suck at Producing, in which he does music production tutorials for over 330,000 YouTube subscribers. In addition to teaching music production, he releases his own music as Underbelly. He has taught at schools such as Beat Lab Academy and Pyramind. He is also an Ableton Certified Trainer, and has worked closely with the company to produce tutorial videos and educational content. His original productions have garnered millions of plays on Spotify, and in 2020, he released his debut album Machine Yearning as Underbelly to critical acclaim. There are 14 references cited in this article, which can be found at the bottom of the page. This article has been viewed 78,702 times.

Do you want to adjust the gain on a mic? This setting can help your voice come across more clearly. If you have a digital mic, use the dial to change the level from -6 to -12 dB. If you have an analog microphone, use a preamp and set the level from -8 to -12 dB. With good recording software, you can monitor the microphone’s sound level and make adjustments to set the perfect sound levels for the show.

Fixing Gain Levels on a Microphone

On a digital microphone, set the decibel level to -6 to -12 dB. Use the dial on your microphone to change the gain—the further clockwise you turn it, the higher the gain will be. Use a preamp if you have an analog microphone. Find the gain or trim dial and set it to -8 to -12 dB.

For popular FAQs on adjusting gain on a microphone, jump to more common questions.

Steps

Method 1 Method 1 of 2:

Tuning Digital Microphones

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  1. Step 1 Plug the mic’s USB cord into a device and open the recording software. 1 Plug the mic’s USB cord into a device and open the recording software. Select a spot near where you plan on recording. Choose a safe spot, like a desktop, and make sure you have plenty of room to get up close to the mic. Then, plug the mic’s USB cord into your computer. Open the recording software so you’re able to get an idea what sounds your mic is detecting.[1]
    • Try to arrange your equipment the same way you will when using it for a performance. It can save you some time later, but it also helps you adjust the gain more accurately.
    • Digital mics are very easy to adjust, but you should still test them ahead of time to ensure the gain level is correct.
  2. Step 2 Press the record button and speak into the microphone. 2 Press the record button and speak into the microphone. Think about how you plan on using the mic once everything has been set up. Stand in the same spot you plan on being for the official recording. Speak at the same volume you plan on using for the performance. You will end up with a more accurate test this way. Say or sing a few lines while the mic is on.[2]
    • If you’re using the mic to pick up sound from an instrument, play the instrument to perform the test. Make sure any other equipment you’re using, such as amplifiers, have been set up.
    • You don’t need to create a long test recording to adjust the gain. Just do a short soundcheck, such as by reading a few lines or playing part of a song.
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  3. Step 3 Use the sound software on your recorder to play back the test audio. 3 Use the sound software on your recorder to play back the test audio. Press the playback button in the recording program on your computer. Every program has a decibel (dB) meter you can use to monitor volume. Listen to the audio quality as well. When the meter fills up, the recording usually distorts and becomes unpleasant to listen to. If the meter stays at a low level, the recording most likely will be too soft.[3]
    • Audio clipping happens when the decibel level increases too high, usually above 0 dB. Clipping causes the audio to sound distorted, and distorted recordings are almost impossible to fix.
    • Some recording software has an active meter so you can watch the dB level while the microphone is in use. Check the microphone tab in the recording program.
  4. Step 4 Turn the dial on your microphone clockwise to increase the gain. 4 Turn the dial on your microphone clockwise to increase the gain. Most USB microphones have control knobs right on them, so adjusting the gain takes no time at all. Locate the dial, which will likely be marked gain and have a small, white stripe on it. Raise the gain to increase the volume. Turn the dial counterclockwise to lower the gain and decrease the overall volume.[4]
    • Think of the dial as a clock. When its white stripe points upward, to the 12 o’clock position, the gain will be pretty much nothing. It usually needs to be closer to the 2 o’clock position to make a difference in the sound quality.
    • Gain dials usually aren’t labeled with numbers or settings, so you will have to adjust it manually through frequent tests.
  5. Step 5 Set the decibel level on the microphone around -6 to -12 dB. 5 Set the decibel level on the microphone around -6 to -12 dB. The decibel level indicates how loud a recording sounds, but using the wrong level can make it too soft or too distorted. The loudest parts of the recording should be around -6 to -12. Watch the decibel meter through your recording software while also listening to the audio quality. Raise the gain if the recording is too soft, or lower it if it has noticeable clipping.[5]
    • The proper gain setting can vary a lot depending on the type of recording you’re doing. If you’re just talking into a microphone, a high setting like -6 dB will be fine. If you’re playing a loud instrument, set it lower to avoid clipping.
    • When the gain is at a low dB setting, you can get louder without getting sound distortion. Normally, you should set the gain so the volume is consistent, but leave it a little lower if you expect the sound to get louder at any point.
    • For example, at a -2 dB setting, you have to speak at a consistent volume to avoid clipping. If it’s at -10 dB, you can get a little louder sometimes, such as by speaking louder when you get excited or turning up an instrument’s volume.
  6. Step 6 Record more test audio to make additional adjustments to the gain . 6 Record more test audio to make additional adjustments to the gain . Each time you make an adjustment, start a new recording. Play it back while watching the volume level and listening to the sound quality. Then, make further adjustments to your mic as needed. At the right setting, you can make a quality recording that is enjoyable to listen to.[6]
    • Keep testing the audio and making adjustments to it until you’re happy with it. Sometimes, finding the right settings takes some time.
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Method 2 Method 2 of 2:

Using Analog Microphones

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  1. Step 1 Plug the microphone into a mixer or preamp to control the gain. 1 Plug the microphone into a mixer or preamp to control the gain. Analog mics don’t have their own gain controls, so they have to be plugged into something else to pick up sound. The simplest way to do this is by connecting the mic directly into a slot on a mixing board connected to a sound recorder. Mixing boards often have several different spots to plug in microphones, so they are great for recording things like live music. They also have separate gain controls for each mic you plug in.[7]
    • A preamp picks up the signal from a microphone and pumps it up so it sounds louder. It gives you a higher-quality recording that you can then edit later. If you’re using one, it will have its own gain control.
    • Note that some places, like many concert venues, have sound systems that include mixing boards. Plug your recorder and microphones in there.
  2. Step 2 Rotate the control dial to set the gain to -8 to -12 dB. 2 Rotate the control dial to set the gain to -8 to -12 dB. The dial will be labeled as “gain” or “trim.” It is well-labeled and numbered on most mixers and preamps. You usually have to turn it clockwise to set the gain to a negative rating. Keep the gain relatively low so the sound level isn’t too loud.[8]
    • If your device doesn’t have a labeled gain dial, turn it clockwise to about the 2 o’clock position. Then, make a recording, listen to it, and fine-tune the setting.
  3. Step 3 Turn on the sound recorder so you’re able to hear the microphone’s audio. 3 Turn on the sound recorder so you’re able to hear the microphone’s audio. Make sure your recorder is plugged into the mixer or preamp. If you’re using a computer, open up the recording software. Look for a decibel meter tracking the volume level coming from the mic. You can use this to figure out the best gain setting.[9]
  4. Step 4 Speak a few lines into the microphone to create a test recording. 4 Speak a few lines into the microphone to create a test recording. Stand in front of the mic like you will during the recording. If you’re doing a vocal performance, speak or sing at the same volume you plan on using later. If you’re playing an instrument, tune it before playing it. Make sure any other devices you’re using, like amplifiers, have been hooked up and adjusted to the proper settings as well.[10]
    • Many mixers and recording software have meters that light up while a mic is in use. Watch the meter to see what decibel level the audio reaches so you can make adjustments to it.
  5. Step 5 Change the gain level according to the test audio. 5 Change the gain level according to the test audio. Listen to the sound quality while playing back the recording. If you’re using recording software, watch the sound level meter in it. Note any spots that sound loud or distorted, and turn the gain down a little to compensate. Go back and make another test recording to ensure that the gain is right where you want it.[11]
    • If you’re using multiple mics, such as to record different instruments during a concert, check the gain on each one. Make sure the audio levels are relatively similar for each one.
    • If the recording sounds soft, bump up the gain level a little to increase the volume. However, be careful, since the audio can become distorted when the sound gets too loud.
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Common Questions: Fixing Your Mic Settings

How do I make a mic pick up more sound?

To make your microphone pick up more sound, you can increase the gain on your mic. Gain can increase your microphone's output, making your voice louder.

Does gain make a microphone louder?

With the right gain levels, you can make your microphone project a louder output. However, avoid setting your gain too high; this can make your audio clip or distort.

What gain should I set my mic to?

For a digital microphone, set the decibel level to -6 to -12 dB. For an analog microphone, set the level to -8 to -12 dB.

Tips

  • Gain is different from volume, so adjust them separately using the dials on your microphone, mixer, or preamp. Gain determines how loud a sound is when it reaches your mic, but volume determines how loud it is coming out.[12] Thanks Helpful 0 Not Helpful 0
  • There are different types of microphones, and some of them pick up more sound or even amplify more sound. For example, condenser mics are delicate and pick up low sounds like someone talking, but they tend to rattle when used for louder sounds like a powerful singing voice or booming bass.[13] Thanks Helpful 0 Not Helpful 1
  • After making a recording, you can use editing software to fine-tune it. However, the audio can get distorted when you mess with it too much, so you can’t fully fix something that is too soft or too loud due to an incorrect gain setting.[14] Thanks Helpful 0 Not Helpful 1
Show More Tips Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial Submit Thanks for submitting a tip for review! Advertisement

Warnings

  • The gain setting is very important in recording, so test the sound level frequently before a performance. If the gain level is off, the audio could be soft or even distorted, and bad recordings are difficult to fix. Thanks Helpful 0 Not Helpful 0
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Things You’ll Need

Tuning Digital Microphones

  • Microphone
  • Microphone cable
  • Recorder or computer with recording software
  • Microphone stand or clip (optional)

Using Analog Microphones

  • Microphone
  • Microphone cable
  • Recorder or computer with recording software
  • Mixer or preamp
  • Microphone stand or clip (optional)

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References

  1. ↑ https://www.behindthemixer.com/how-set-gain-levels-live-sound-methods/
  2. ↑ https://www.youtube.com/watch?v=g9kEekgKdqE&feature=youtu.be&t=78
  3. ↑ https://www.youtube.com/watch?v=g9kEekgKdqE&feature=youtu.be&t=102
  4. ↑ https://www.youtube.com/watch?v=1l86SOlxyps&feature=youtu.be&t=278
  5. ↑ https://kb.plu.edu/studio-yeti
  6. ↑ https://guides.library.ucsc.edu/DS/Resources/H2nHandyMicrophone
  7. ↑ https://www.youtube.com/watch?v=YywWAt0RsNo&feature=youtu.be&t=141
  8. ↑ https://kb.plu.edu/studio-yeti
  9. ↑ https://music.arts.uci.edu/dobrian/Music151/W13/thesoundcraftguidetomixing.pdf
More References (6)
  1. ↑ https://www.youtube.com/watch?v=YywWAt0RsNo&feature=youtu.be&t=281
  2. ↑ https://www.youtube.com/watch?v=dRa26Xxe1EM&feature=youtu.be&t=75
  3. ↑ https://ledgernote.com/columns/studio-recording/gain-vs-volume/
  4. ↑ http://microphonegeeks.com/condenser-microphone-vs-dynamic/
  5. ↑ https://www.youtube.com/watch?v=1l86SOlxyps&feature=youtu.be&t=340
  6. ↑ Timothy Linetsky. Music Producer & Instructor. Expert Interview

About This Article

Timothy Linetsky Co-authored by: Timothy Linetsky Music Producer & Instructor This article was co-authored by Timothy Linetsky. Timothy Linetsky is a DJ, producer, YouTuber, and music educator based in San Francisco, California. He has been making music for over 15 years, and is known for his YouTube channel You Suck at Producing, in which he does music production tutorials for over 330,000 YouTube subscribers. In addition to teaching music production, he releases his own music as Underbelly. He has taught at schools such as Beat Lab Academy and Pyramind. He is also an Ableton Certified Trainer, and has worked closely with the company to produce tutorial videos and educational content. His original productions have garnered millions of plays on Spotify, and in 2020, he released his debut album Machine Yearning as Underbelly to critical acclaim. This article has been viewed 78,702 times. How helpful is this? Co-authors: 4 Updated: April 9, 2025 Views: 78,702 Categories: Audio
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Yes No Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Timothy Linetsky Co-authored by: Timothy Linetsky Music Producer & Instructor Click a star to vote Co-authors: 4 Updated: April 9, 2025 Views: 78,702

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