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 = 1.124122,
        name = 'eq',
        Q = 1e-06,
        frequency = 250,
    },
    {
        gain = 1.303998,
        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 = 1.57755,
        name = 'eq',
        Q = 1e-06,
        frequency = 16000,
    },
    {
        gain = 0.8007187,
        name = 'eq',
        Q = 1e-06,
        frequency = 15000,
    },
    {
        gain = 0.7538801,
        name = 'eq',
        Q = 1e-06,
        frequency = 2400,
    },
}