At least for my hearing, there is a fall off around 20hz, though that could be my headphones. https://www.szynalski.com/tone-generator/ https://www.szynalski.c

At least for my hearing, there is a fall off around 20hz, though that could be my headphones. https://www.szynalski.com/tone-generator/ https://www.szynalski.com/tone-generator/