return {
    {
        gain = -2,
        name = 'preamp',
    },
    {
        gain = 2,
        name = 'eq',
        Q = 0.05,
        frequency = 20,
    },
    {
        gain = 2.8,
        name = 'eq',
        Q = 2.5473620054483,
        frequency = 30,
    },
    {
        gain = 2.3,
        name = 'eq',
        Q = 1,
        frequency = 60,
    },
    {
        gain = -5,
        name = 'eq',
        Q = 0.05,
        frequency = 1000,
    },
    {
        gain = 0,
        name = 'eq',
        Q = 1,
        frequency = 1961.3581121549,
    },
    {
        gain = 0,
        name = 'eq',
        Q = 0.2,
        frequency = 4000,
    },
    {
        gain = 5,
        name = 'eq',
        Q = 0.5,
        frequency = 8000,
    },
    {
        gain = -10,
        name = 'eq',
        Q = 0.05,
        frequency = 16000,
    },
}