pcm.dmix_stereo {
        type dmix
        ipc_key 1024
        ipc_key_add_uid false
        ipc_perm 0666

        slave {
                pcm "hw:1,1"

                period_time 0
                period_size 1024
                buffer_size 4096
                rate 48000
        }
        bindings {                     # channel configuration (stereo, quad, 5.1, ...).
                0 0
                1 1
        }
}
pcm.plug_eq_stereo {
        type equal
        slave.pcm "plug:dmix_stereo"
}
pcm.eq_stereo {                       # this plug is needed to make the alsaequal output suitable for use by most applications.
        type plug
        slave.pcm "plug_eq_stereo"
}

ctl.eq_stereo {                       # this ctl is what allows adjustment in alsamixer (or similar utilities).
        type equal
}

pcm.!default eq_stereo