Source Audio Soundblox 2 Manta Bass Filter - Manual (Page 17)

Effect Types | 17
To access Extended Mode, hold the CONTROL INPUT button while quickly
pressing the OPTION SELECT button. You can switch back to Normal Mode
by doing the same procedure. Extended Mode is a global setting for the
pedal and is not saved per preset.
The filter effects featured in the MANTA are further described, followed by
the order in which they appear in Normal and Extended Modes.
Low Pass Filter: allows only low frequencies to pass through while
removing high frequencies from your signal.
High Pass Filter: allows only high frequencies to pass through, while
removing low frequencies from your signal.
Band Pass Filter: allows a grouped section of frequencies to pass through,
while removing the remainder of the frequency spectrum.
Peak Filter: allows the full frequency spectrum to pass through as is peaks
(or boosts) a narrow range of frequencies.
Notch Filter: notches (or removes) frequencies in a narrow range.