return {
    {
        gain = 0,
        name = 'preamp',
    },
    {
        gain = 3.5,
        name = 'highshelf',
        Q = 1,
        frequency = 7000,
    },
    {
        gain = -1,
        name = 'highshelf',
        Q = 1.6338543850322,
        frequency = 12500,
    },
    {
        gain = -3.5,
        name = 'lowshelf',
        Q = 0.5,
        frequency = 300,
    },
    {
        gain = 2.5,
        name = 'lowshelf',
        Q = 1,
        frequency = 65,
    },
    {
        gain = -2,
        name = 'eq',
        Q = 0.5,
        frequency = 1600,
    },
}