diff --git a/profiles/apollo/default.nix b/profiles/apollo/default.nix
index 756de83..7442f5e 100644
--- a/profiles/apollo/default.nix
+++ b/profiles/apollo/default.nix
@@ -39,8 +39,6 @@ in
     }
   ];
 
-  networking.hostName = "${hostname}";
-
   # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
   system.stateVersion = sysversion;
 }
diff --git a/profiles/apollo/hardware.nix b/profiles/apollo/hardware.nix
index 16fd6d4..80294f8 100644
--- a/profiles/apollo/hardware.nix
+++ b/profiles/apollo/hardware.nix
@@ -11,6 +11,29 @@
       intel-media-driver
     ];
   };
+
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # If you want to use JACK applications, uncomment this
+    #jack.enable = true;
+
+    wireplumber.extraConfig.bluetoothEnhancements = {
+      "monitor.bluez.properties" = {
+          "bluez5.enable-sbc-xq" = true;
+          "bluez5.enable-msbc" = true;
+          "bluez5.enable-hw-volume" = true;
+          "bluez5.roles" = [ "hsp_hs" "hsp_ag" "hfp_hf" "hfp_ag" ];
+      };
+    };
+  };
+
+  environment.systemPackages = with pkgs;[
+    # audio control software
+    pamixer
+  ];
  
   fileSystems."/home/${username}/tmp" =
     {
diff --git a/profiles/gaea/default.nix b/profiles/gaea/default.nix
index cb074e3..0dc6d8b 100644
--- a/profiles/gaea/default.nix
+++ b/profiles/gaea/default.nix
@@ -58,18 +58,6 @@ in
     }
   ];
 
-  environment.systemPackages = with pkgs;[
-    # audio control software
-    pamixer
-  ];
-
-  # set hdmi audio default device
-  hardware.pulseaudio = {
-    enable = true;
-    support32Bit = true;
-    extraConfig = "set-card-profile 1 output:alsa_output.pci-0000_00_1f.3.hdmi-stereo";
-  };
-
   # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
   system.stateVersion = sysversion;
 }
diff --git a/profiles/gaea/hardware.nix b/profiles/gaea/hardware.nix
index 2abac50..8815e7c 100644
--- a/profiles/gaea/hardware.nix
+++ b/profiles/gaea/hardware.nix
@@ -4,7 +4,19 @@
 { config, lib, pkgs, modulesPath, username, ... }:
 
 {
- 
+
+  # set hdmi audio default device
+  hardware.pulseaudio = {
+    enable = true;
+    support32Bit = true;
+    extraConfig = "set-card-profile 1 output:alsa_output.pci-0000_00_1f.3.hdmi-stereo";
+  };
+
+  environment.systemPackages = with pkgs;[
+    # audio control software
+    pamixer
+  ];
+
   fileSystems."/home/${username}/tmp" =
     {
       device = "none";
diff --git a/profiles/luna/default.nix b/profiles/luna/default.nix
index 0a9421c..d57f3f3 100644
--- a/profiles/luna/default.nix
+++ b/profiles/luna/default.nix
@@ -38,8 +38,6 @@ in
     }
   ];
 
-  networking.hostName = "${hostname}";
-
-  # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
+ssss  # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
   system.stateVersion = sysversion;
 }