return {
    {
        gain = 3.488842010498,
        name = 'preamp',
    },
    {
        gain = 5.432421,
        name = 'eq',
        Q = 2,
        frequency = 60,
    },
    {
        gain = -18.186459,
        name = 'eq',
        Q = 2,
        frequency = 170,
    },
    {
        gain = -20,
        name = 'eq',
        Q = 2,
        frequency = 310,
    },
    {
        gain = -5.017107,
        name = 'eq',
        Q = 2,
        frequency = 600,
    },
    {
        gain = -3.408369,
        name = 'eq',
        Q = 2,
        frequency = 1000,
    },
    {
        gain = -0.485061,
        name = 'eq',
        Q = 2,
        frequency = 3000,
    },
    {
        gain = -0.633055,
        name = 'eq',
        Q = 2,
        frequency = 6000,
    },
    {
        gain = -0.433366,
        name = 'eq',
        Q = 2,
        frequency = 12000,
    },
    {
        gain = -0.332056,
        name = 'eq',
        Q = 2,
        frequency = 14000,
    },
    {
        gain = -0.221538,
        name = 'eq',
        Q = 2,
        frequency = 16000,
    },
}