Explore audio frequencies with a free tone generator that creates pure and shaped tones directly in your browser. Generate sine, square, sawtooth or triangle waves and use the 15-second logarithmic sweep from 20 Hz to 20 kHz to check speakers, headphones and room acoustics. Adjustable volume and independent left or right output make the tool useful for audio testing, tuning and troubl... https://aitoolspros.com/tools/audio/tone-generator/