diff --git a/.changeset/witty-melons-clean.md b/.changeset/witty-melons-clean.md
new file mode 100644
index 0000000000..c4e598bd43
--- /dev/null
+++ b/.changeset/witty-melons-clean.md
@@ -0,0 +1,5 @@
+---
+"livekit-client": patch
+---
+
+Ensure permission request for listDevices works for audio outputs in Firefox
diff --git a/src/room/DeviceManager.ts b/src/room/DeviceManager.ts
index f2f4803d82..f9abd58939 100644
--- a/src/room/DeviceManager.ts
+++ b/src/room/DeviceManager.ts
@@ -41,7 +41,7 @@ export default class DeviceManager {
       !(isSafari() && this.hasDeviceInUse(kind))
     ) {
       const isDummyDeviceOrEmpty =
-        devices.length === 0 ||
+        devices.filter((d) => d.kind === kind).length === 0 ||
         devices.some((device) => {
           const noLabel = device.label === '';
           const isRelevant = kind ? device.kind === kind : true;