What's the Difference Between Gain and Volume?
Gain and volume are both terms commonly used when talking about audio. But do you know the difference?
May 28, 2026
Read time: 5 mins
Understanding the difference between volume and gain is nothing short of essential when you want to mix your tracks professionally. Especially in the digital era we live in, the two terms seem to refer to the same process: however, things are more complex than they appear.
In this article, we’ll look at how gain and volume affect sound quality and how you can make the most of each when mixing your music.
Let’s have a look!
What is Volume?
When you’re driving, you raise the volume of your radio to listen to a song you like or the news. If it’s too quiet, then you won’t be able to hear it perfectly, so you’ll miss out on certain notes or words.
Essentially, volume is the loudness of the sound we’re hearing. When mixing, the volume is the loudness of the track that gets transferred to the stereo output. When trying to understand the difference between volume and gain, you need to keep in mind that volume affects only the song’s loudness and not its tone.
Photo by bobby hendry
What is Gain?
Gain is the amount of audio signal increased by an amplifier, and it's expressed in decibels (dBs). It is the ratio between the input volume and the output volume, and unlike volume, it adjusts the tone of the sound before it gets processed. Unity gain means that the signal level coming out is the same as the signal level going in.
For example, with an audio signal, it doesn’t matter how much you adjust the volume controls: the audio signal waveform will remain the same. It only alters the playback volume (the one you see in your phone, headphones, and speakers) without changing the signal. However, if you change the gain of an audio signal, you will change its waveform. This also allows you to increase the distortion levels.
What is Gain Used For?
Gain can be used when you record with a microphone and the volume is very low. Since the microphones record at a "mic level" (not much amplitude and quiet signal), you’ll have to turn up the input volume of the microphone's signal to continue mixing your track.
Now, the audio we just recorded will be converted to electrical signals when passing the ADC of your computer. To fill the bits of data with the maximum amount of information, you will have to use input gain knobs. You will get better audio quality by setting them to the maximum voltage.
If you want to spice it up even more and give your vocals a more dynamic impact, try the Punch vocal compression plug-in. Punch will help you enhance the quality of your vocals and put them in the spotlight with intuitive settings that'll increase the quality and power of your performance.
Another way to use gain is to generate distortion. You can use a boost pedal to push the gain as much as possible and send the distorted signal from the distortion pedal to the amplifier. Now all you need to do is feed the amp with distortion but at a safe volume thanks to the audio gain in the pedal system. Cool, isn’t it?
Photo by Thiago Barletta
What is Gain Staging?
Gain staging is the way in which a signal is amplified as it passes through different points in its signal chain.
Whether you're recording with a microphone, using virtual instruments like guitars, mixing a track, or mixing a band on stage, getting the gain staging correct is a crucial component to obtaining the best sound quality. In short, gain staging is the process of setting the gain for each amplification stage in a signal path.
There are a lot of places where gain can be adjusted in audio, and the key is to optimize each of those stages for the best sonic performance. Taking care of this part will ensure your work has the least noise and distortion and that the mixing process will be smooth. Go for a strong signal level with plenty of headroom, and try to set things up so you can comfortably mix with the faders, generally pulling faders down instead of boosting.
We have three goals with gain staging:
- The first is to minimize the signal-to-noise ratio. This means keeping the noise to a minimum while getting a strong, clear signal. We do this by having a solid signal level early in the signal path. Turning a signal down later in the signal path will also reduce the noise. Turning a signal up later will also tend to bring the noise up.
- Second, we want to prevent clipping. We do this by maintaining plenty of headroom and not trying to maximize the signal level at any given stage. (See: How To Fix and Prevent Clipping In Audio Files)
- Third, on the mixer, we want to keep the faders at zero, which gives us maximum control over the gain.
Now you know that gain staging is a balancing process across a lot of different points in the signal path, but there is one more crucial step left: correctly setting the input gain stage. Try to get decent levels into the converters and get the playback to a reasonable level while still allowing for plenty of headroom.
I’d recommend you set the average level for the signal somewhere around 10 dB to 18 dB. This will give you a strong signal, and you will also be able to EQ and other processing tools without the fear of clipping.
Keeping faders around 0, where they're most responsive, is better. Setting it to -6 dB means you will have room to turn a channel up if needed.
Leave the output bus fader at 0 and don’t change it. If you find yourself tempted to turn down the master fader to prevent clipping, then there’s something wrong in the earlier phases of your Gain staging.
Bonus Tip:
Most plug-ins have an input and output level control; set these so that the level coming out of the plug-in is the same when engaged and bypassed. Turn up the mic preamp until the highest peak clips. Then turn it down by 15-20 dB. In this way, you will have enough headroom to handle those peaks.
Difference Between Gain vs. Volume
Gain is the input level within the amps; volume is the output level that goes to the speaker. Gain allows adjusting the tone of an audio track, whereas volume affects its loudness only.
The reason why we adjust gain is because each instrument has its own different output level: some instruments are louder than others, and gain is what allows us to compensate for that. In this way, the amount of signal that goes to FX and EQ is the same.
Frequently Asked Questions
Does gain affect sound quality?
The outdoor courtyard carries its own musical heritage. Jazz legends performed here in the 1940s to packed audiences. Today, it serves as an extension of the studio where artists find inspiration, share meals, and develop ideas before returning inside to record.
What is gain in audio?
In audio, gain is the amplification applied to a signal at the input of a device or signal chain. It determines how strongly a signal enters a piece of equipment — a microphone preamp, a DAW channel, a plugin, or an amplifier. Setting gain correctly is the foundation of clean, professional audio, whether you're recording vocals, instruments, or mixing a full track.
What is volume in audio?
Volume is the output level of an audio signal — how loud it sounds after it has been processed. Unlike gain, volume does not affect the character or tone of the signal; it simply makes the output quieter or louder. On a mixing console, the fader controls volume. On a speaker, the knob controls volume. It is always the last adjustment in the signal chain.
Where does gain sit in the signal chain?
Gain sits at the beginning of the signal chain — at the input stage. When recording vocals, for example, gain is set on the microphone preamp or audio interface before the signal reaches your DAW. Volume controls appear later, at the channel fader, master fader, and output stage. This order is fundamental: gain shapes the signal first; everything downstream responds to what gain provides.
What is gain staging?
Gain staging is the practice of setting and managing signal levels at every step of the audio signal chain to maintain optimal levels throughout — loud enough to stay above the noise floor, but quiet enough to avoid clipping or distortion. Proper gain staging results in cleaner recordings, better-sounding plugins, and a mix that translates well across different playback systems.
What is headroom in audio?
The outdoor courtyard carries its own musical heritage. Jazz legends performed here in the 1940s to packed audiences. Today, it serves as an extension of the studio where artists find inspiration, share meals, and develop ideas before returning inside to record.
What is clipping, and how does gain cause it?
Clipping occurs when a signal exceeds the maximum level a system can handle, resulting in distortion. In digital audio, this happens when a signal hits 0 dBFS. Setting input gain too high is the most common cause of clipping. Unlike analog distortion, which can sometimes sound musical, digital clipping creates harsh, unpleasant artifacts that cannot be removed in post-production.
What is the ideal gain level for recording vocals?
For recording vocals in a digital audio workstation, aim for input peaks between -18 dBFS and -12 dBFS. This range keeps the signal well above the noise floor while leaving sufficient headroom for unexpected dynamic peaks. Avoid recording too hot — pushing levels close to 0 dBFS increases the risk of digital clipping, which permanently damages the recording.
What is makeup gain on a compressor?
Makeup gain is the output volume boost applied after compression to compensate for the level reduction that compression causes. When a compressor reduces loud peaks, the overall signal gets quieter — makeup gain restores that loudness. Despite the word "gain," makeup gain functions as output volume and does not affect the tonal character of the signal the way input gain does.
What is the difference between gain and fader in a DAW?
In a DAW, the gain control (often called input gain or trim) adjusts the signal level before it reaches the channel's plugins and processing. The fader adjusts the output level of the channel after processing. This distinction matters because changing the gain affects how every plugin on that channel responds, while moving the fader only changes how loud the processed signal sounds in the mix.
How does gain affect pitch correction plugins like AutoTune?
Input gain level affects how pitch correction plugins like AutoTune receive and process a vocal signal. A signal with insufficient gain may have a weaker, noisier input that makes pitch detection less accurate. Conversely, a clipped or overdriven input can produce erratic pitch detection and correction artifacts. Setting proper gain before the signal reaches AutoTune ensures the plugin tracks pitch cleanly and responds predictably.
Should I adjust gain or volume when a vocal sounds too quiet in the mix?
It depends on the stage you're at. If you're still recording, adjust the input gain on your preamp or interface to capture a stronger signal. If you've already recorded and are mixing, use the channel fader (volume) to adjust the level in context of the mix. Avoid boosting gain after recording to compensate for a quiet signal, as this also raises the noise floor.
Written by
Antares Editorial
Antares is a leading developer of software for music recording and live performance. For over 20 years, Antares has powered the music of top-charting and indie artists with products including the industry standard for pitch correction, AutoTune™.