The 50 Hz frequency is categorized under Test Tones. It is known for: Common bass frequency, also related to electrical hum in some regions. Useful for testing bass clarity. Also: The mains hum frequency in many parts of the world (e.g., Europe, Asia), useful for audio diagnosis..

Our free online tone generator allows you to play this 50 Hz frequency instantly. Use the controls above to adjust the volume or switch waveforms (sine, square, sawtooth, triangle) to hear the different timbres.