The audio spectrum is the audible frequency range at which humans can hear and spans from 20 Hz to 20,000 Hz. … Summary Table. Frequency RangeFrequency ValuesBass60 to 250 HzLow midrange250 to 500 HzMidrange500 Hz to 2 kHzUpper midrange2 to 4 kHzAudio Spectrum Explained – Teach Me Audio www.teachmeaudio.com › mixing › techniques › audio-spectrum