How to compare speaker response at soft and loud levels

Your speakers may sound clear at a low volume but harsh or weak when you turn them up. Or the bass may seem to disappear when you listen quietly. To find out whether the change is normal or points to a problem, compare the same sounds at two comfortable volume levels.

The Speaker Test has a tone generator, a frequency sweep, and left and right channel checks. Use the same test at each volume, from the same listening position. This is a listening comparison, not a calibrated measurement of speaker output.

Compare the speakers at two volume levels

Open the Speaker Test. Make sure the intended speakers are selected as the computer's audio output, and place yourself at a fixed listening position.
Set the computer and speaker volume to a low level that is still easy to hear. If the speakers have a physical volume knob, choose a position and leave it there while testing.
Use the tone generator to listen to a steady tone. Notice whether it sounds clean and whether it comes from the expected speaker. You can also use the frequency sweep to listen for bands that sound unusually weak or rough.
Raise the computer's output volume a little. Listen to the same tone again from the same position. Repeat in small steps until you reach a comfortably loud level. Stop if the sound becomes uncomfortable, harsh, or painful.
Check the left and right channels separately, then compare them at both levels. If you change a speaker's own knob, note its position and make the same adjustment for the other speaker.

Keep the room, listening position, test tone, and speaker placement the same. Changing several things at once makes it hard to know what caused a difference. Avoid turning a test tone up to maximum just to see what happens.

What the result means

The speakers sound clear at both levels

The speakers are handling this basic comparison without an obvious problem. That does not prove that every frequency, cable, or input works perfectly, but it makes a severe volume-related fault less likely. If music or a particular app still sounds wrong, check its audio settings and compare it with another source.

The sound seems thinner when quiet

This can be normal. At low listening levels, people often perceive bass and treble as less prominent than they do at higher levels. Room noise can also cover quiet details. If the same tone is still audible and clean, a thinner impression alone does not show that a speaker is damaged.

The sound becomes rough, rattly, or crackly when louder

The speaker may be reaching its limits, or the sound may be distorted before it gets to the speaker. A loose object, damaged cable, amplifier, or speaker driver can also rattle. Lower the volume and repeat with another audio source before deciding where the fault is.

One side sounds different from the other

Check that the left and right channels are connected and positioned correctly. A difference that follows one physical speaker when you swap the connections points more toward that speaker or its cable. If the weak side stays in the same channel, check the computer's balance setting and connections.

The sweep has a weak or uneven section

A dip can come from the speaker, but it can also come from the room, your position, or the way the speakers are aimed. The browser test does not measure a calibrated frequency response, so treat the sweep as a way to notice a change, not as proof that a specific component is faulty.

How to fix a change in sound

Lower the volume if the sound is harsh. Do not keep playing a rattling or painful tone loudly. A test is not worth risking hearing discomfort or further speaker damage.
Check the balance and output device. On Windows 11, open Settings › System › Sound, select the intended output, and check its volume and channel balance options if available. On macOS, open System Settings › Sound › Output and choose the intended device; check the balance control if shown.
Check app volume and sound effects. A media player or browser tab may have its own volume control. Temporarily turn off audio enhancements or equalizer effects if you use them, then repeat the comparison with the same source.
Inspect the cable and connections. Reseat the audio plug or USB connection. For powered speakers, check the power connection and make sure both speakers are connected securely. Try another cable or output if one is available.
Move the speakers away from objects that can vibrate. Put them on a stable surface and move nearby loose items. A desk, shelf, or wall can amplify a rattle even when the speaker itself is working normally.
Compare with another source at a safe level. Try another device or audio app. If the same speaker distorts with several sources, the issue is less likely to be one browser or app setting.

On a phone, check the output volume and sound settings. On an iPhone, start with Settings › Sounds & Haptics. On Android, look for Settings › Sound & vibration; the exact options vary by model. If you are testing Bluetooth speakers, confirm the phone is connected to the intended speaker and not another nearby device.

When the speaker may be damaged

A fault is more likely if the same speaker crackles or rattles at a modest volume across multiple devices, while the other speaker sounds clean. A damaged cable can cause similar symptoms, so swap cables or channels when it is safe and practical to do so. Stop using a speaker that smells burnt, becomes unusually hot, or makes a persistent harsh noise. Check the warranty or ask a repair shop to inspect it. For inexpensive speakers, replacement may cost less than repair.

Why the listening position matters

Sound reflects off floors, walls, desks, and furniture. At some positions, reflections can make a range of bass notes seem louder or quieter, even though the speaker has not changed. Keep your head and the speakers in the same positions for each comparison. For a suspected rattle, listen nearby at a low level and check surrounding objects before assuming the speaker is at fault.

Use the frequency sweep at a comfortable volume, and stop it if any tone causes discomfort.