diff --git a/overlay/opt/emcomm-tools/bin/et-audio b/overlay/opt/emcomm-tools/bin/et-audio
index 7f695de..b7a4e05 100755
--- a/overlay/opt/emcomm-tools/bin/et-audio
+++ b/overlay/opt/emcomm-tools/bin/et-audio
@@ -50,8 +50,10 @@ update-config () {
 
        case ${ET_DEVICE_NAME} in
          "DIGIRIG_MOBILE")
+	   # TODO: 92% is needed for the TX-500MP. Revisit approach for setting speaker
+	   #       out differently across radios definitions.
            # Unmute Speaker a set volume. Adjust if remote station can't decode you. Your TX controls.
-           amixer -q -c ${AUDIO_CARD} sset Speaker Playback Switch 92% unmute
+           amixer -q -c ${AUDIO_CARD} sset Speaker Playback Switch 42% unmute
            # Unmute Mic
            amixer -q -c ${AUDIO_CARD} sset Mic Playback Switch 52% unmute
            # Set "L/R Capture" to 19. Adjust if you can't decode received audio. Your RX controls.