Create precise test tones online with a free tone generator designed for musicians, audio enthusiasts, and equipment testing. Select frequencies from 20 Hz to 20 kHz and choose sine, square, sawtooth, or triangle waveforms. Test stereo or individual left and right channels, use preset frequencies for quick checks, and run a 15-second logarithmic sweep for speakers, headphones, subwoof... https://aitoolspros.com/tools/audio/tone-generator/