return {
{
gain = 0,
name = 'preamp',
},
{
gain = -1.5,
name = 'lowshelf',
Q = 0.78340222838278,
frequency = 50,
},
{
gain = -2,
name = 'eq',
Q = 0.5,
frequency = 300,
},
{
gain = 2,
name = 'highshelf',
Q = 0.25,
frequency = 10000,
},
}