diff --git a/modules/steamdeck/sound.nix b/modules/steamdeck/sound.nix
index 3ea14bfc..aaca8a27 100644
--- a/modules/steamdeck/sound.nix
+++ b/modules/steamdeck/sound.nix
@@ -12,6 +12,11 @@ let
     # remove more specific upstream symlink so Valve acp5x config is picked
     rm $out/share/alsa/ucm2/conf.d/acp5x/Valve-Jupiter-1.conf
   '';
+
+  mkDspEtc = path: {
+    name = path;
+    value.source = "${pkgs.steamdeck-dsp}/share/${path}";
+  };
 in
 {
   options = {
@@ -27,47 +32,31 @@ in
     };
   };
 
-  config = lib.mkIf (cfg.enableSoundSupport) (lib.mkMerge [
-    {
-      hardware.pulseaudio.enable = lib.mkDefault false;
+  config = let
+    systemWide = config.services.pipewire.systemWide;
 
-      services.pipewire = {
-        enable = lib.mkDefault true;
-        pulse.enable = lib.mkDefault true;
-        alsa.enable = lib.mkDefault true;
-      };
+    extraEnv = {
+      ALSA_CONFIG_UCM2 = "${alsa-ucm-conf'}/share/alsa/ucm2";
+      LV2_PATH = "${pkgs.steamdeck-dsp}/lib/lv2";
+    };
+  in lib.mkIf cfg.enableSoundSupport {
+    hardware.pulseaudio.enable = false;
+
+    services.pipewire = {
+      enable = true;
+      pulse.enable = true;
+      alsa.enable = true;
+      wireplumber.package = pkgs.wireplumber-jovian;
+    };
 
-      environment.variables.ALSA_CONFIG_UCM2 = "${alsa-ucm-conf'}/share/alsa/ucm2";
-    }
+    environment.etc = builtins.listToAttrs (map mkDspEtc pkgs.steamdeck-dsp.passthru.filesInstalledToEtc);
 
-    # Pulseaudio
-    (lib.mkIf (config.hardware.pulseaudio.enable) (let
-      systemWide = config.hardware.pulseaudio.systemWide;
-    in {
-      systemd.services.pulseaudio = lib.mkIf systemWide {
-        environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2;
-      };
-      systemd.user.services.pulseaudio = lib.mkIf (!systemWide) {
-        environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2;
-      };
-    }))
+    environment.variables = extraEnv;
+    
+    systemd.services.pipewire.environment = lib.mkIf systemWide extraEnv;
+    systemd.user.services.pipewire.environment = lib.mkIf (!systemWide) extraEnv;
 
-    # Pipewire
-    (lib.mkIf (config.services.pipewire.enable) (let
-      systemWide = config.services.pipewire.systemWide;
-    in {
-      systemd.services.pipewire = lib.mkIf systemWide {
-        environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2;
-      };
-      systemd.user.services.pipewire = lib.mkIf (!systemWide) {
-        environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2;
-      };
-      systemd.services.wireplumber = lib.mkIf systemWide {
-        environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2;
-      };
-      systemd.user.services.wireplumber = lib.mkIf (!systemWide) {
-        environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2;
-      };
-    }))
-  ]);
+    systemd.services.wireplumber.environment = lib.mkIf systemWide extraEnv;
+    systemd.user.services.wireplumber.environment = lib.mkIf (!systemWide) extraEnv;
+  };
 }
diff --git a/overlay.nix b/overlay.nix
index 2be1df56..b4dac388 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -91,6 +91,10 @@ rec {
     };
   });
 
+  wireplumber-jovian = final.callPackage ./pkgs/wireplumber { 
+    wireplumber' = super.wireplumber;
+  };
+
   sdgyrodsu = final.callPackage ./pkgs/sdgyrodsu { };
 
   decky-loader = final.callPackage ./pkgs/decky-loader { };
diff --git a/pkgs/steamdeck-dsp/default.nix b/pkgs/steamdeck-dsp/default.nix
index dd82bf98..850f7b34 100644
--- a/pkgs/steamdeck-dsp/default.nix
+++ b/pkgs/steamdeck-dsp/default.nix
@@ -44,12 +44,39 @@ stdenv.mkDerivation(finalAttrs: {
   postInstall = ''
     mv -vt $out $out/usr/*
     rmdir -v $out/usr
+
+    >&2 echo "Checking configuration files"
+
+    echo -e "${builtins.concatStringsSep "\n" finalAttrs.passthru.filesInstalledToEtc}" \
+      | sort >etc.expected.txt
+
+    for dir in wireplumber pipewire; do
+      find $out/share/$dir -type f -printf "$dir/%P\n"
+    done | sort >etc.actual.txt
+
+    if ! cmp --silent etc.{expected,actual}.txt; then
+      >&2 echo "!! passthru.filesInstalledToEtc needs to be updated. The actual list of config files:"
+      cat etc.actual.txt
+      false
+    fi
   '';
 
   # ¯\_(ツ)_/¯
   # Leaky wrappers I guess.
   dontWrapQtApps = true;
 
+  passthru.filesInstalledToEtc = [
+    "pipewire/pipewire.conf.d/filter-chain-sink.conf"
+    "pipewire/pipewire.conf.d/filter-chain.conf"
+    "pipewire/pipewire.conf.d/virtual-sink.conf"
+    "pipewire/pipewire.conf.d/virtual-source.conf"
+    "wireplumber/bluetooth.lua.d/60-bluez-jupiter.lua"
+    "wireplumber/main.lua.d/60-alsa-acp5x-config.lua"
+    "wireplumber/main.lua.d/60-alsa-card0-config.lua"
+    "wireplumber/main.lua.d/60-alsa-ps-controller-config.lua"
+    "wireplumber/scripts/open-alsa-acp-dsm-node.lua"
+  ];
+
   meta = {
     description = "Steamdeck Audio Processing";
     # Actual license of all parts unclear.
diff --git a/pkgs/wireplumber/default.nix b/pkgs/wireplumber/default.nix
new file mode 100644
index 00000000..6566856b
--- /dev/null
+++ b/pkgs/wireplumber/default.nix
@@ -0,0 +1,11 @@
+{ wireplumber', fetchFromGitHub }:
+wireplumber'.overrideAttrs(_: rec {
+  version = "0.4.14-dev23";
+
+  src = fetchFromGitHub {
+    owner = "Jovian-Experiments";
+    repo = "wireplumber";
+    rev = "refs/tags/${version}";
+    hash = "sha256-+z7BQlRu8XYxE5vEFCfentdrQNuCP0RnQHiPx8/Yfl8=";
+  };
+})