diff --git a/client_config.yml b/client_config.yml
index 5628853..b176ef3 100644
--- a/client_config.yml
+++ b/client_config.yml
@@ -12,6 +12,7 @@ voice:
     input_volume: 90
     output_volume: 60
     file_address: "http://hugveycmd.local:8888"
+    output_driver: pulseaudio
     
     
 
diff --git a/hugvey/client.py b/hugvey/client.py
index 6bf74db..408b2ba 100644
--- a/hugvey/client.py
+++ b/hugvey/client.py
@@ -241,7 +241,7 @@ class VoiceServer(object):
 
 
 class CommandHandler(object):
-    def __init__(self, hugvey_id, cmd_address, publish_address, file_address, play_audiodev = None):
+    def __init__(self, hugvey_id, cmd_address, publish_address, file_address, play_audiodev = None, play_audiodriver=None):
         self.eventQueue = []
         self.ctx = Context.instance()
         self.hugvey_id = hugvey_id
@@ -252,6 +252,7 @@ class CommandHandler(object):
         self.file_address = file_address
         self.playingMsgId = None
         self.play_audiodev = play_audiodev
+        self.play_audiodriver = play_audiodriver
         # self.showMyself() # queue message for connection request
 
     def handle(self, cmd):
@@ -302,8 +303,11 @@ class CommandHandler(object):
                     	continue
                     playCmd.append(str(value))
                 environment_vars = dict(os.environ)
-                if self.play_audiodev is not None:
+                if self.play_audiodriver is not None:
+                    environment_vars['AUDIODRIVER'] = self.play_audiodriver
+                elif self.play_audiodev is not None:
                     environment_vars['AUDIODEV'] = self.play_audiodev
+                    
                 logger.debug(playCmd)
                 
                 t = None
@@ -468,7 +472,8 @@ class Hugvey(object):
             cmd_address=self.config['events']['cmd_address'],
             publish_address=self.config['events']['publish_address'],
             file_address=self.config['voice']['file_address'],
-            play_audiodev=self.voice_server.info['output']['device']
+            play_audiodev=self.voice_server.info['output']['device'],
+            play_audiodriver=self.config['voice']['output_driver'] if 'output_driver' in self.config['voice'] else None,
         )
         
         logger.info('start')
diff --git a/install_server.sh b/install_server.sh
index fb049dc..d009e02 100755
--- a/install_server.sh
+++ b/install_server.sh
@@ -1,6 +1,6 @@
 apt-get update
 
-apt-get install -y munin-node bc
+apt-get install -y munin-node bc supervisor libsox-fmt-pulse
 cp installation/rpi-internal-temp /usr/share/munin/plugins
 ln -sf /usr/share/munin/plugins/rpi-internal-temp /etc/munin/plugins/rpi-internal-temp
 rm /etc/munin/plugins/irqstats
@@ -8,7 +8,8 @@ chmod a+x /usr/share/munin/plugins/rpi-internal-temp
 echo "allow ^\\S*\$" >> /etc/munin/munin-node.conf
 service munin-node restart
 
-apt-get install -y supervisor
+# Disable internal sound
+echo "blacklist snd_bcm2835" > /etc/modprobe.d/internalsnd-blacklist.conf
 
 # Added  chown=pi:pi
 cp installation/supervisord.conf /etc/supervisor/supervisord.conf
@@ -16,4 +17,3 @@ ln -s /home/pi/hugvey/supervisor.conf /etc/supervisor/conf.d/hugvey.conf
 service supervisor restart
 supervisorctl reread
 supervisorctl update
-