This online bass test focuses on the range where headphones and speakers often reveal their limits first. Low tones can expose weak seal, poor driver control, cabinet rattling, distortion or simple expectations that are too optimistic for the device. The buttons below let you play 20 Hz, 30 Hz, 40 Hz, 60 Hz, 80 Hz and 100 Hz either as short pulses or as steady tones. That combination makes it easier to notice both missing bass and mechanical problems.
The lower the frequency, the harder it is for many headphones, earbuds and small speakers to reproduce it honestly. Some devices cannot deliver a convincing 20 Hz tone at all, and that is not unusual. If you hear buzzing, rattling or fluttering instead of a clean low note, the driver, enclosure or room may be adding distortion. With earbuds, weak bass often points to a bad seal rather than a damaged speaker.
Low frequencies can feel quieter than they really are, which sometimes encourages turning the volume up too far. Resist that impulse. Keep the level conservative and stop immediately if the sound becomes unpleasant or your drivers start to struggle.
That is common. Many headphones and speakers roll off before true sub-bass, and the lowest notes are often felt more than heard.
Short bursts make mechanical noises easier to notice because they separate the transient from the sustain.
A poor seal, ear tip fit or partial blockage often reduces bass on one side more than a damaged driver does.
If a certain part of the range sounds weak or rough, follow up with the Frequency Sweep Test or the quick Headphones Test.