diff --git a/scripts/start-es-8.sh b/scripts/es8start.sh
similarity index 100%
rename from scripts/start-es-8.sh
rename to scripts/es8start.sh
diff --git a/scripts/start-es-9.sh b/scripts/es9start.sh
similarity index 74%
rename from scripts/start-es-9.sh
rename to scripts/es9start.sh
index 94c5ec6..7172415 100644
--- a/scripts/start-es-9.sh
+++ b/scripts/es9start.sh
@@ -14,5 +14,5 @@ if test -z "$DEVICENUM"
 fi
 
 # Start up audio interface
-alsa_in -d hw:$DEVICENUM -j "$DEVICENAME In" -q 1 &
-alsa_out -d hw:$DEVICENUM -j "$DEVICENAME Out" -q 1 &
+alsa_in -d hw:$DEVICENUM -j "$DEVICENAME In" -c 16 -q 1 &
+alsa_out -d hw:$DEVICENUM -j "$DEVICENAME Out" -c 16 -q 1 &
diff --git a/scripts/es9stop.sh b/scripts/es9stop.sh
new file mode 100644
index 0000000..9fd6e87
--- /dev/null
+++ b/scripts/es9stop.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+# Script to stop ES-9 audio interface
+
+pkill alsa_in
+pkill alsa_out
diff --git a/scripts/system-start-audio.sh b/scripts/system-start-audio.sh
index 10658e0..3b21bfb 100644
--- a/scripts/system-start-audio.sh
+++ b/scripts/system-start-audio.sh
@@ -54,7 +54,7 @@ fixPulse
 pulseaudio -D
 
 # Eurorack audio interface
-sh ~/.config/scripts/start-es-8.sh 
-sh ~/.config/scripts/start-es-9.sh
+sh ~/.config/scripts/es8start.sh 
+sh ~/.config/scripts/es9start.sh
 
 launchi3