diff --git a/devices/ssc335de_lite_imou-c22e-s2-v2/general/overlay/usr/share/openipc/customizer.sh b/devices/ssc335de_lite_imou-c22e-s2-v2/general/overlay/usr/share/openipc/customizer.sh
index 267f4b4..e486f3c 100644
--- a/devices/ssc335de_lite_imou-c22e-s2-v2/general/overlay/usr/share/openipc/customizer.sh
+++ b/devices/ssc335de_lite_imou-c22e-s2-v2/general/overlay/usr/share/openipc/customizer.sh
@@ -17,6 +17,7 @@ cli -s .nightMode.irCutPin1 79
 cli -s .nightMode.irCutPin2 78
 cli -s .nightMode.backlightPin 52
 cli -s .nightMode.colorToGray true
+cli -s .audio.inputChannel 1
 cli -s .audio.outputEnabled true
 cli -s .audio.outputVolume 80
 cli -s .audio.speakerPin 15