return {
    {
        gain = -6.6184821128845,
        name = 'preamp',
    },
    {
        gain = 11.91308,
        name = 'eq',
        Q = 0.12590191505915,
        frequency = 15,
    },
    {
        gain = 7.39165,
        name = 'eq',
        Q = 0.28160006087381,
        frequency = 246.34342947847,
    },
    {
        gain = 9.129663,
        name = 'eq',
        Q = 0.084623300682304,
        frequency = 15149.0066762,
    },
}