Boss GA-FC-EX Advanced Foot Controller zoom The Mark III OLED display

The Mark III OLED display displays the cutoff frequency in Hertz

combo XLR-1/4" input with phantom power

You can achieve anything from boost

Reference Pitch: A4 = 410-480 Hz (1 Hz steps)

the VR1 has a traditional figure-8 polar pattern

Boss GA-FC-EX Advanced Foot Controller zoom The Mark III OLED displayBoss GA FC EX Foot Controller for BOSS Katana Amplifiers. The BOSS GA FC EX Foot Controller offers seriously upgraded control and a streamlined workflow over your standard Katana setup, all with a hands free operation for easy stage use. This flexible footswitch lets you to instantly switch between all your favorite Katana tonal presets and a quick tap of the Effect switch gives you the power to further customize each specific channel with a variety