Equalizer

5-band Graphic EQ

1. Frequency Centers:100Hz,250Hz,630Hz,1.6KHz,4KHz.
2. Volume knob for flexible volume adjustment.
3. +/- 18 dB adjustable gain range per band.
4. Whole Aluminium-alloy classic, stable and strong.
5. True bypass provides transparent tone.
6. DC 9V Adapter power supply.

https://www.donnerdeal.com/collections/guitar-pedal/products/donner-equalizer-pedal-5-band-graphic-eq-guitar-effect-pedal