return {
    {
        gain = 20,
        name = 'preamp',
    },
    {
        gain = 1.020475,
        name = 'eq',
        Q = 1e-06,
        frequency = 60,
    },
    {
        gain = 1.294028,
        name = 'eq',
        Q = 1e-06,
        frequency = 120,
    },
    {
        gain = 1.481381,
        name = 'eq',
        Q = 1e-06,
        frequency = 250,
    },
    {
        gain = 1.52822,
        name = 'eq',
        Q = 1e-06,
        frequency = 500,
    },
    {
        gain = 1.084761,
        name = 'eq',
        Q = 1e-06,
        frequency = 1000,
    },
    {
        gain = 1.259652,
        name = 'eq',
        Q = 1e-06,
        frequency = 2000,
    },
    {
        gain = 1.288523,
        name = 'eq',
        Q = 1e-06,
        frequency = 4000,
    },
    {
        gain = 1.288523,
        name = 'eq',
        Q = 1e-06,
        frequency = 6000,
    },
    {
        gain = 1.437468,
        name = 'eq',
        Q = 1e-06,
        frequency = 8000,
    },
    {
        gain = 1.510253,
        name = 'eq',
        Q = 1e-06,
        frequency = 16418.517480829,
    },
    {
        gain = 0,
        name = 'eq',
        Q = 1e-06,
        frequency = 12052.312200443,
    },
    {
        gain = 1.47,
        name = 'eq',
        Q = 1e-06,
        frequency = 12000,
    },
}