diff --git a/machines/common.nix b/machines/common.nix
index 2494523..9f98347 100644
--- a/machines/common.nix
+++ b/machines/common.nix
@@ -26,17 +26,17 @@ inputs:
   i18n.defaultLocale = "en_GB.UTF-8";
   time.timeZone = "Europe/Berlin";
 
-  sound.enable = true;
+  #sound.enable = true;
 
   hardware = {
     # TODO: remove
     enableAllFirmware = true;
-    pulseaudio = {
+    #pulseaudio = {
       # TODO: pipewire
-      enable = true;
+      #enable = true;
       # stop mumble from muting other processes
-      extraConfig = "unload-module module-role-cork";
-    };
+      #extraConfig = "unload-module module-role-cork";
+    #};
     opengl = {
       enable = true;
       # driSupport = true;
@@ -66,9 +66,13 @@ inputs:
 
     # Enable CUPS to print documents.
     printing.enable = true;
+
     pipewire = {
-      enable = false;
+      enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = true;
       pulse.enable = true;
+      wireplumber.enable = true;
     };
     # required for nextcloud
     gnome.gnome-keyring.enable = true;
@@ -110,6 +114,18 @@ inputs:
     "L+ /lib64/ld-linux-x86-64.so.2 - - - - ${pkgs.glibc}/lib64/ld-linux-x86-64.so.2"
   ];
 
+  # pipewire bluetooth config (https://nixos.wiki/wiki/PipeWire#Bluetooth_Configuration)
+  environment.etc = {
+    "wireplumber/bluetooth.lua.d/51-bluez-config.lua".text = ''
+      bluez_monitor.properties = {
+        ["bluez5.enable-sbc-xq"] = true,
+        ["bluez5.enable-msbc"] = true,
+        ["bluez5.enable-hw-volume"] = true,
+        ["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag ]"
+      }
+    '';
+  };
+
   environment.systemPackages = with pkgs; [
     alacritty
     arandr
@@ -205,6 +221,9 @@ inputs:
     sudo = {
       package = pkgs.sudo.override { withInsults = true; };
     };
+
+    # rtkit is optional but recommended for pipewire
+    rtkit.enable = true;
   };
 
 }