Adds a 21-band equalizer audio effect to an Audio bus. Gives you control over frequencies from 22 Hz to 22000 Hz. Each frequency can be modulated between -60/+24 dB. Frequency bands: Band 1: 22 Hz Band 2: 32 Hz Band 3: 44 Hz Band 4: 63 Hz Band 5: 90 Hz Band 6: 125 Hz Band 7: 175 Hz Band 8: 250 Hz Band 9: 350 Hz Band 10: 500 Hz Band 11: 700 Hz Band 12: 1000 Hz Band 13: 1400 Hz Band 14: 2000 Hz Band 15: 2800 Hz Band 16: 4000 Hz Band 17: 5600 Hz Band 18: 8000 Hz Band 19: 11000 Hz Band 20: 16000 Hz Band 21: 22000 Hz See also [AudioEffectEQ], [AudioEffectEQ6], [AudioEffectEQ10].