IRX EQ Presets
Written by Ernesto Hernandez
Updated at January 9th, 2026
Question:
What are the filter values for the EQ Presets?
Answer:
The IRX Series of loudspeaker has four built-in EQ presets plus Bass Boost. These are the filter values with a graphical plot of the curve:
Speech
HPF at 160hz, 12dbu slope.
Cut at 570hz, 5.05Q, -1 db
Boost at 1.4k, 1.0Q, +1db
Cut at 6k, 5.75Q, -1db
LPF at 13.5k, 12dbu slope.
Music
HPF at 35hz, 12dbu slope
Boost at 110, 0.7Q, +1db
Boost at 1k, 1.1Q, +1db
Cut at 6k, 1.66Q, -1.0db
Cut at 11.5k, 10.9Q -1.0db
LPF at 18.5k, 12dbu slope
Vocal (Performance)
HPF at 50hz, 12dBu slope
Cut at 525hz, 2.67Q, -1 db
Cut at 2k, 11.5Q, -1db
Cut at 6k, 8.5Q, -1 db
LPF at 15k, 12dBu slope
Flat
No EQ. Return all EQ parameters to “flattened" state.
Bass Boost
Shelf EQ, Boost 3db at 120hz.