Boss EQ-20
The World's Most Powerful EQ Pedal.
The EQ-20 Advanced EQ gives guitarists, bassists and other live performers 10 bands of programmable digital EQ with stellar sound quality. Physical sliders make instant EQ tweaks easy, and a straightforward Write function permits instant storage of EQ settings into nine memory locations.

• World's first programmable 10-band graphic equalizer pedal
• 9 internal memories for storing user-created EQ settings by pressing the Write function
• Level switch allows connection before amplifier or in an amp's effects loop (+4dB)
• Stellar sound quality