diff --git a/groups/cryos/default.nix b/groups/cryos/default.nix
index d00bae3..dd4af16 100644
--- a/groups/cryos/default.nix
+++ b/groups/cryos/default.nix
@@ -84,10 +84,20 @@
       alsa.support32Bit = true;
       # pulse.enable = true;
       # jack.enable = true;
+
+      # disable X11 bell module, which plays a sound on urgency hint
+      extraConfig = {
+        pipewire."99-silent-bell.conf" = {
+          "context.properties" = {
+            "module.x11.bell" = false;
+          };
+        };
+      };
     };
   };
 
-  security.rtkit.enable = true; # I *think* this is for pipewire
+  # allows pipewire to use the realtime scheduler for increased performance
+  security.rtkit.enable = true;
 
   # ---- ENVIRONMENT VARIABLES ----
   environment = {