diff --git a/sync-music/actions.lisp b/sync-music/actions.lisp
index 6e32f42..db1dc36 100644
--- a/sync-music/actions.lisp
+++ b/sync-music/actions.lisp
@@ -36,6 +36,7 @@ Pushes status message about this action to QUEUE if given."))
                           "-i" (uiop:native-namestring (copy-action-origin a))
                           "-c:a" "libopus"
                           "-map" "0:a"
+                          "-ac" "2"
                           "-b:a" *opus-bitrate*
                           (uiop:native-namestring (action-target a)))))
 
diff --git a/sync-music/utils.lisp b/sync-music/utils.lisp
index aedf894..47716c3 100644
--- a/sync-music/utils.lisp
+++ b/sync-music/utils.lisp
@@ -2,7 +2,7 @@
 
 (defvar *worker-threads* nil
   "Number of worker threads to launch.")
-(defvar *opus-bitrate* "64K"
+(defvar *opus-bitrate* "96K"
   "Opus bitrate to pass to ffmpeg's -b:a flag.")
 (defvar *max-depth* 8
   "Max depth to recur into folders before signalling.")