MP95 Get MP95
EN

Hi-Fi

How to adjust an equalizer without making the sound worse

The bass sounds thin, so you raise it. The result gets louder, then muddy. A useful EQ adjustment starts with a specific problem and leaves room for the peaks.

By MP95 Editorial · Updated 2026-10-17 · 4 min read

Start with a reference you know

Pick a recording you know well and listen at a comfortable volume. Start with a flat EQ and turn off other sound effects while deciding what needs changing. Otherwise you may compensate for an effect with another effect and lose track of the cause.

Describe the problem before moving a band: bass is too heavy, vocals are hard to follow, cymbals are tiring. “Better sound” is too broad to check. Keep the headphones, fit and volume consistent while comparing settings.

Make one small change

MP95's equalizer has ten bands from 31 Hz to 16 kHz. Drag a point to change its gain; double-tap a point to return it to zero. Begin with a small adjustment rather than lifting every band. The graph shows the filters' response, not just a decorative line between controls.

RegionWhat to listen for
Low bassWeight and rumble; small headphones may not reproduce deep bass strongly
Upper bass and low midsWarmth, but also muddiness when excessive
MidrangeVoices and the body of many instruments
TrebleBrightness and detail, but also harshness

These are listening cues, not universal presets. The same curve can behave differently with different headphones, ear pads, fit and recordings.

The MP95 10-band equalizer on iPhone, close up: ten points from 31 Hz to 16 kHz, headroom −10.8 dB, and three curves: your EQ, the headphone correction (dashed) and what you hear
MP95 shows the 10-band curve, available headroom and the combined response when a headphone correction is active. This is an example, not a recommended universal EQ preset. View full-size image

A boost needs room

Boosting a frequency adds level. With no headroom, peaks can exceed the available digital range. Lowering overall gain provides room; it does not mean the music has lost resolution in the way a lossy codec discards information.

MP95 shows headroom alongside its EQ and accounts for the combined curve when headphone correction is active. If playback becomes quieter after a correction, do not immediately undo it with large boosts. Compare at similar listening volume and check the whole curve.

Keep your adjustment separate from headphone correction

An AutoEQ profile addresses a measured headphone response. Your own EQ can then express a preference. In MP95, the graph distinguishes your EQ, the headphone correction and their combined response. Use the exact headphone model when selecting a profile.

A correction is a starting point, not a measurement of your own ears. If it sounds uncomfortable, reduce the adjustment or switch it off. There is no need to keep a curve merely because it came from a database.

Compare without rewarding the louder version

Toggle between the adjusted and flat settings at similar perceived volume. Check more than one song. Keep a setting only if it helps with the problem you identified without creating another one.

If roughness remains with the EQ flat, investigate the recording, volume and output device. EQ will not repair an already clipped source. For a check of unchanged digital output, disable EQ and the other processing stages; see MP95's bit-perfect guide.

Try it on your own music

Free on Android. On Apple the cassette deck and turntable are free forever.