diff --git a/planning/forms.py b/planning/forms.py
index 831748d..3f4c12f 100644
--- a/planning/forms.py
+++ b/planning/forms.py
@@ -10,7 +10,7 @@ class RoomForm(forms.ModelForm):
 
     class Meta:
         model = Room
-        fields = ['name', 'label', 'capacity']
+        fields = ['name', 'label', 'capacity', 'sound']
 
     def clean_name(self):
         name = self.cleaned_data['name']
diff --git a/planning/migrations/0002_room_sound.py b/planning/migrations/0002_room_sound.py
new file mode 100644
index 0000000..c6106dd
--- /dev/null
+++ b/planning/migrations/0002_room_sound.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2017-05-26 11:18
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('planning', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='room',
+            name='sound',
+            field=models.BooleanField(default=False),
+        ),
+    ]
diff --git a/planning/models.py b/planning/models.py
index 4454805..4cebb46 100644
--- a/planning/models.py
+++ b/planning/models.py
@@ -14,6 +14,7 @@ class Room(models.Model):
     name = models.CharField(max_length=256, blank=True, default="")
     label = models.CharField(max_length=256, blank=True, default="")
     capacity = models.IntegerField(default=0)
+    sound = models.BooleanField(default=False)
 
     class Meta:
         unique_together = ['site', 'name']
diff --git a/planning/templates/planning/room_detail.html b/planning/templates/planning/room_detail.html
index b3d2690..15af3c0 100644
--- a/planning/templates/planning/room_detail.html
+++ b/planning/templates/planning/room_detail.html
@@ -8,6 +8,7 @@
 
 <h1>{{ room.name }}
   <small>{{ room.label }}</small>
+  <span class="glyphicon glyphicon-volume-{% if room.sound %}up{% else %}off{% endif %}"></span>
 </h1>
 
 <h2>{% trans "Scheduled talks" %}</h2>
diff --git a/planning/templates/planning/room_list.html b/planning/templates/planning/room_list.html
index 3e47a90..001a9d5 100644
--- a/planning/templates/planning/room_list.html
+++ b/planning/templates/planning/room_list.html
@@ -15,7 +15,10 @@
 <div class="row">
   {% for room in room_list %}
   <div class="col-xs-6 col-sm-4">
-    <h2><a href="{% url 'show-room' room.slug %}">{{ room }}</a></h2>
+    <h2>
+      <a href="{% url 'show-room' room.slug %}">{{ room }}</a>
+      <span class="glyphicon glyphicon-volume-{% if room.sound %}up{% else %}off{% endif %}"></span>
+    </h2>
     {% if room.label %}<p>{{ room.label }}</p>{% endif %}
     <p>
     {{ room.capacity }} {% trans "place" %}{{ room.capacity|pluralize }}