return {
    {
        gain = 20,
        name = 'preamp',
    },
    {
        gain = 1.77562,
        name = 'eq',
        Q = 1e-06,
        frequency = 60,
    },
    {
        gain = 2.519658,
        name = 'eq',
        Q = 1e-06,
        frequency = 120,
    },
    {
        gain = 2.541637,
        name = 'eq',
        Q = 1e-06,
        frequency = 250,
    },
    {
        gain = 2.51697,
        name = 'eq',
        Q = 1e-06,
        frequency = 500,
    },
    {
        gain = 1.51955,
        name = 'eq',
        Q = 1e-06,
        frequency = 1000,
    },
    {
        gain = 1.510534,
        name = 'eq',
        Q = 1e-06,
        frequency = 2000,
    },
    {
        gain = 1.521259,
        name = 'eq',
        Q = 1e-06,
        frequency = 4,
    },
    {
        gain = 1.519712,
        name = 'eq',
        Q = 1e-06,
        frequency = 6000,
    },
    {
        gain = 2.04476,
        name = 'eq',
        Q = 1e-06,
        frequency = 8000,
    },
    {
        gain = 2.52164,
        name = 'eq',
        Q = 0.5,
        frequency = 16,
    },
    {
        gain = 1.822459,
        name = 'eq',
        Q = 1e-06,
        frequency = 2400,
    },
    {
        gain = 1.803833,
        name = 'eq',
        Q = 1e-06,
        frequency = 15,
    },
}