BOSS EQ-200 Graphic Equalizer Pedal for Electric Guitar, EQ-200
How to use bass EQ pedals to take full control of your low-end | Guitar World
MXR M108S Ten Band EQ Pedal | Sweetwater
Amazon.com: LEKATO Multi Effects Pedal for Acoustic Guitar, with IR Loading 9 AMP Models, Acoustic Multi Effects Processor, Bluetooth 5.0,Recording, Built-in Battery : Musical Instruments