diff --git a/system/configuration.nix b/system/configuration.nix
index d17dc00..6bb62f0 100644
--- a/system/configuration.nix
+++ b/system/configuration.nix
@@ -113,10 +113,98 @@
     };
     pulse.enable = true;
     config.pipewire = {
-      "context.exec" = [
+      "context.modules" = [
         {
-          path = "/usr/bin/pipewire";
-          args = "-c /etc/pipewire/7.1-surround-sound.conf";
+          name = "libpipewire-module-filter-chain";
+          args = {
+            "node.name"        = "effect_output.virtual-surround-7.1-hesuvi";
+            "node.description" = "Virtual Surround Sink";
+            "media.name"       = "Virtual Surround Sink";
+            nodes = [
+              # duplicate inputs
+              { type = "builtin"; label = "copy"; name = "copyFL";  }
+              { type = "builtin"; label = "copy"; name = "copyFR";  }
+              { type = "builtin"; label = "copy"; name = "copyFC";  }
+              { type = "builtin"; label = "copy"; name = "copyRL";  }
+              { type = "builtin"; label = "copy"; name = "copyRR";  }
+              { type = "builtin"; label = "copy"; name = "copySL";  }
+              { type = "builtin"; label = "copy"; name = "copySR";  }
+              { type = "builtin"; label = "copy"; name = "copyLFE"; }
+
+              # apply hrir - HeSuVi 14-channel WAV (not the *-.wav variants) (note: */44/* in HeSuVi are the same, but resampled to 44100)
+              { type = "builtin"; label = "convolver"; name = "convFL_L"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  0; }; }
+              { type = "builtin"; label = "convolver"; name = "convFL_R"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  1; }; }
+              { type = "builtin"; label = "convolver"; name = "convSL_L"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  2; }; }
+              { type = "builtin"; label = "convolver"; name = "convSL_R"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  3; }; }
+              { type = "builtin"; label = "convolver"; name = "convRL_L"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  4; }; }
+              { type = "builtin"; label = "convolver"; name = "convRL_R"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  5; }; }
+              { type = "builtin"; label = "convolver"; name = "convFC_L"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  6; }; }
+              { type = "builtin"; label = "convolver"; name = "convFR_R"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  7; }; }
+              { type = "builtin"; label = "convolver"; name = "convFR_L"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  8; }; }
+              { type = "builtin"; label = "convolver"; name = "convSR_R"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  9; }; }
+              { type = "builtin"; label = "convolver"; name = "convSR_L"; config = { filename = "hrir_hesuvi/hrir.wav"; channel = 10; }; }
+              { type = "builtin"; label = "convolver"; name = "convRR_R"; config = { filename = "hrir_hesuvi/hrir.wav"; channel = 11; }; }
+              { type = "builtin"; label = "convolver"; name = "convRR_L"; config = { filename = "hrir_hesuvi/hrir.wav"; channel = 12; }; }
+              { type = "builtin"; label = "convolver"; name = "convFC_R"; config = { filename = "hrir_hesuvi/hrir.wav"; channel = 13; }; }
+
+              # treat LFE as FC
+              { type = "builtin"; label = "convolver"; name = "convLFE_R"; config = { filename = "hrir_hesuvi/hrir.wav"; channel = 13; }; }
+              { type = "builtin"; label = "convolver"; name = "convLFE_L"; config = { filename = "hrir_hesuvi/hrir.wav"; channel =  6; }; }
+
+              # stereo output
+              { type = "builtin"; label = "mixer"; name = "mixR"; }
+              { type = "builtin"; label = "mixer"; name = "mixL"; }
+            ];
+            links = [
+              # input
+              { output = "copyFL:Out";  input="convFL_L:In";  }
+              { output = "copyFL:Out";  input="convFL_R:In";  }
+              { output = "copySL:Out";  input="convSL_L:In";  }
+              { output = "copySL:Out";  input="convSL_R:In";  }
+              { output = "copyRL:Out";  input="convRL_L:In";  }
+              { output = "copyRL:Out";  input="convRL_R:In";  }
+              { output = "copyFC:Out";  input="convFC_L:In";  }
+              { output = "copyFR:Out";  input="convFR_R:In";  }
+              { output = "copyFR:Out";  input="convFR_L:In";  }
+              { output = "copySR:Out";  input="convSR_R:In";  }
+              { output = "copySR:Out";  input="convSR_L:In";  }
+              { output = "copyRR:Out";  input="convRR_R:In";  }
+              { output = "copyRR:Out";  input="convRR_L:In";  }
+              { output = "copyFC:Out";  input="convFC_R:In";  }
+              { output = "copyLFE:Out"; input="convLFE_L:In"; }
+              { output = "copyLFE:Out"; input="convLFE_R:In"; }
+
+              # output
+              { output = "convFL_L:Out";  input="mixL:In 1"; }
+              { output = "convFL_R:Out";  input="mixR:In 1"; }
+              { output = "convSL_L:Out";  input="mixL:In 2"; }
+              { output = "convSL_R:Out";  input="mixR:In 2"; }
+              { output = "convRL_L:Out";  input="mixL:In 3"; }
+              { output = "convRL_R:Out";  input="mixR:In 3"; }
+              { output = "convFC_L:Out";  input="mixL:In 4"; }
+              { output = "convFC_R:Out";  input="mixR:In 4"; }
+              { output = "convFR_R:Out";  input="mixR:In 5"; }
+              { output = "convFR_L:Out";  input="mixL:In 5"; }
+              { output = "convSR_R:Out";  input="mixR:In 6"; }
+              { output = "convSR_L:Out";  input="mixL:In 6"; }
+              { output = "convRR_R:Out";  input="mixR:In 7"; }
+              { output = "convRR_L:Out";  input="mixL:In 7"; }
+              { output = "convLFE_R:Out"; input="mixR:In 8"; }
+              { output = "convLFE_L:Out"; input="mixL:In 8"; }
+            ];
+            inputs  = [ "copyFL:In" "copyFR:In" "copyFC:In" "copyLFE:In" "copyRL:In" "copyRR:In" "copySL:In" "copySR:In" ];
+            outputs = [ "mixL:Out" "mixR:Out" ];
+          };
+          "capture.props" = {
+              "media.class"    = "Audio/Sink";
+              "audio.channels" = 8;
+              "audio.position" = [ "FL" "FR" "FC" "LFE" "RL" "RR" "SL" "SR" ];
+          };
+          "playback.props" = {
+              "node.passive"   = true;
+              "audio.channels" = 2;
+              "audio.position" = [ "FL" "FR" ];
+          };
         }
       ];
     };