Below is an audio frequency range chart, this can be a useful tool when selecting a speaker or microphone depending on which frequency you would like to produce or pick up.
https://www.cuidevices.com/blog/understanding-audio-frequency-range-in-audio-design
Digi-Key Speaker Selection:
https://www.digikey.com/products/en/audio-products/speakers/156?k=speaker
Digi-Key Microphone selection:
https://www.digikey.com/products/en/audio-products/microphones/158?k=microphone