pcm.eq {
  type ladspa
  slave.pcm "plug:dmix"
  hint {
	show on
	description "ladspa plug"
  }

  plugins [
    {
      label mbeq
      id 1197
      input {
        #this setting is here by example, edit to your own taste
        #bands: 50hz, 100hz, 156hz, 220hz, 311hz, 440hz, 622hz, 880hz, 1250hz, 1750hz, 25000hz,
        #50000hz, 10000hz, 20000hz
        controls [ -5 -5 -5 -5 -5 -10 -20 -15 -10 -10 -10 -10 -10 -3 -2 ]
      }
    }
  ]
 }
 pcm.!default {
  type plug
  slave.pcm "eq"
 }

 pcm.dsp0 {
  type plug
  slave.pcm "eq"
 }
---

$ aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
eq
    ladspa plug
front:CARD=NVidia,DEV=0
    HDA NVidia, ALC662 rev1 Analog
    Front speakers
surround40:CARD=NVidia,DEV=0
    HDA NVidia, ALC662 rev1 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
    HDA NVidia, ALC662 rev1 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
    HDA NVidia, ALC662 rev1 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
    HDA NVidia, ALC662 rev1 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
    HDA NVidia, ALC662 rev1 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=NVidia,DEV=0
    HDA NVidia, NVIDIA HDMI
    HDMI Audio Output
front:CARD=USB,DEV=0
    GN 8110 USB, USB Audio
    Front speakers
surround40:CARD=USB,DEV=0
    GN 8110 USB, USB Audio
    4.0 Surround output to Front and Rear speakers
surround41:CARD=USB,DEV=0
    GN 8110 USB, USB Audio
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=USB,DEV=0
    GN 8110 USB, USB Audio
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=USB,DEV=0
    GN 8110 USB, USB Audio
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=USB,DEV=0
    GN 8110 USB, USB Audio
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=USB,DEV=0
    GN 8110 USB, USB Audio
    IEC958 (S/PDIF) Digital Audio Output
front:CARD=default,DEV=0
    USB  AUDIO  , USB Audio
    Front speakers
surround40:CARD=default,DEV=0
    USB  AUDIO  , USB Audio
    4.0 Surround output to Front and Rear speakers
surround41:CARD=default,DEV=0
    USB  AUDIO  , USB Audio
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=default,DEV=0
    USB  AUDIO  , USB Audio
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=default,DEV=0
    USB  AUDIO  , USB Audio
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=default,DEV=0
    USB  AUDIO  , USB Audio
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=default,DEV=0
    USB  AUDIO  , USB Audio
    IEC958 (S/PDIF) Digital Audio Output

---
$ aplay -D eq /usr/share/lincity-ng/sounds/FireWasteland1.wav
aplay: main:654: audio open error: No such file or directory