diff --git a/modules/pipewire.nix b/modules/pipewire.nix
index ac41d53..2fd8f7b 100644
--- a/modules/pipewire.nix
+++ b/modules/pipewire.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, modulesPath, pkgs, ... }:
 let
   bluetoothSupport = config.sbruder.full;
 in
@@ -14,6 +14,21 @@ lib.mkIf config.sbruder.gui.enable {
     };
   };
 
+  # not exposed in NixOS module
+  environment.etc."pipewire/media-session.d/bluez-hardware.conf".source = lib.mkForce ((pkgs.formats.json { }).generate "bluez-hardware.conf" (
+    let
+      defaults = (builtins.fromJSON (builtins.readFile "${modulesPath}/services/desktops/pipewire/bluez-hardware.conf.json"));
+    in
+    defaults // {
+      "bluez5.features.device" = defaults."bluez5.features.device" ++ [
+        # Sennheiser HD 4.50BTNC has unreliable hardware volume control (too
+        # frequent changes cause it to not apply the changes) and sometimes
+        # crashes (disconnects and shuts off) after too many changes.
+        { name = "HD 4.50BTNC"; no-features = [ "hw-volume" ]; }
+      ];
+    }
+  ));
+
   environment.systemPackages = with pkgs; [
     pavucontrol
     pulseaudio # pacmd and pactl