Blog › A Beginner's Guide to EQ
2026-05-14 · 5 min read Audio EQ Music
Have you ever listened to music and thought "I wish there was a bit more bass" or "the vocals could be clearer"? An equalizer (EQ) is exactly the tool that lets you make those adjustments. It's an indispensable basic tool for recording, podcasting, and personal music mixing — but staring at dozens of sliders for the first time can feel completely overwhelming.
No need to overcomplicate it. Once you know what sounds live in each frequency band, the path to the sound you're looking for becomes clear.
What Is an EQ?
An EQ (Equalizer) divides sound into frequency bands and lets you boost or cut the volume of each band. Sound is a wave; the speed of oscillation is frequency (Hz). Lower frequencies produce bass; higher frequencies produce treble. The human hearing range is roughly 20Hz–20,000Hz (20kHz).
An EQ divides this range into segments and adjusts the volume of each. Moving a slider up boosts that frequency band; moving it down cuts it. The unit is dB (decibels).
Frequency Band Characteristics
60Hz Sub Bass — rumble, space. The "thump" of a kick drum, the lowest notes of bass guitar. Boost too much and the sound gets muddy and speakers distort. Hard to feel on most headphones.
200Hz Bass — warmth, thickness. Creates the weight and body of music. Boosting adds warmth and fullness; cutting makes it thin and light. Excess makes it muddy.
500Hz Low Mid — body, lower midrange. The body sound of guitars and piano. Too much and it sounds "boxy." A slight cut often cleans up the mix.
1kHz Mid — vocals, midrange. Where most of the human voice lives. Boosting brings vocals forward; too much becomes sharp and fatiguing.
3kHz High Mid — clarity, presence. Used to make vocals cut through or emphasize guitar pick attack. Excess causes listening fatigue and a metallic tone.
6kHz Presence — sharpness, sibilance. Where consonant 's' sounds and snare snap live. Boost for clarity, but excess creates piercing sibilance.
12kHz Treble — air, high frequency. Cymbal shimmer and acoustic guitar sparkle. Boosting adds brightness and energy; excess causes ear fatigue.
How to Approach EQ as a Beginner
As a beginner, think "what should I cut?" before "what should I boost?" Boosting frequencies already present can introduce distortion and fatigue; cutting unnecessary bands often lets the natural balance fall into place on its own.
💡 Vocals aren't cutting through: Try boosting 1kHz–3kHz by +2–3dB, or slightly cutting 200–500Hz to reduce low-mid muddiness.
💡 Sound is too harsh and fatiguing: Try cutting 3kHz–6kHz by −2–4dB.
💡 Bass is muddy and indistinct: Cut 200–500Hz by −2–3dB and leave 60Hz alone or reduce slightly.
💡 Want more brightness and energy overall: Try boosting 10–12kHz by +2–3dB.
There are no "correct" EQ settings. The same settings sound different on different tracks and speakers. Making small adjustments and comparing A/B (listening before and after each change) is the most important habit to develop.
Experiment with a 7-Band EQ
Upload an audio file and EQ adjustments are reflected in the waveform in real time.