When we buy new device such as EarthQuake EQ4000PXI we often through away most of the documentation but the warranty.
Very often issues with EarthQuake EQ4000PXI begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Stereo Equalizer EarthQuake EQ4000PXI is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Stereo Equalizer on our side using links below.