Bass Test plays low-frequency tones between 20Hz and 200Hz so you can hear what your speakers or subwoofer actually reproduce. Drag the frequency slider down to 20Hz and hit Play — work your way up until the tone becomes clearly audible to find your speaker's bass cutoff point.
Sweep through all bass frequencies to test your speaker's full range.
For a full frequency range beyond bass, use the tone generator. Check channel balance with the stereo test, or calibrate your output levels with the speaker test online.
If you can't hear frequencies below 40Hz, your speakers may not support sub-bass. Try with a subwoofer or bass-capable headphones. Use our hearing test to check the lowest frequencies you can perceive.
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