diff --git a/modules/nixos/hardware/audio/default.nix b/modules/nixos/hardware/audio/default.nix
index d754374..4804314 100644
--- a/modules/nixos/hardware/audio/default.nix
+++ b/modules/nixos/hardware/audio/default.nix
@@ -1,6 +1,7 @@
 { ... }:
 
 {
+  boot.kernelParams = [ "preempt=full" ];
   security.rtkit.enable = true;
   services.pipewire = {
     enable = true;
@@ -13,13 +14,19 @@
 
     # Reduce latency
     # https://wiki.nixos.org/wiki/PipeWire#Low-latency_setup
-    extraConfig = {
+    extraConfig = let
+      rate = 48000;
+
+      # The default value in the wiki is 32 but might result in crackling audio.
+      # If you get audio crackling try increasing this value until it's gone.
+      quantum = 32;
+    in {
       pipewire."92-low-latency" = {
         "context.properties" = {
-          "default.clock.rate" = 48000;
-          "default.clock.quantum" = 32;
-          "default.clock.min-quantum" = 32;
-          "default.clock.max-quantum" = 32;
+          "default.clock.rate" = ${rate};
+          "default.clock.quantum" = ${quantum};
+          "default.clock.min-quantum" = ${quantum};
+          "default.clock.max-quantum" = ${quantum};
         };
       };
 
@@ -31,18 +38,17 @@
           }
         ];
         "pulse.properties" = {
-          "pulse.min.req" = "32/48000";
-          "pulse.default.req" = "32/48000";
-          "pulse.max.req" = "32/48000";
-          "pulse.min.quantum" = "32/48000";
-          "pulse.max.quantum" = "32/48000";
+          "pulse.min.req" = "${quantum}/${rate}";
+          "pulse.default.req" = "${quantum}/${rate}";
+          "pulse.max.req" = "${quantum}/${rate}";
+          "pulse.min.quantum" = "${quantum}/${rate}";
+          "pulse.max.quantum" = "${quantum}/${rate}";
         };
         "stream.properties" = {
-          "node.latency" = "32/48000";
+          "node.latency" = "${quantum}/${rate}";
           "resample.quality" = 1;
         };
       };
     };
   };
 }
-