diff --git a/doorlockd/CMakeLists.txt b/doorlockd/CMakeLists.txt
index e5ea988..54ed310 100644
--- a/doorlockd/CMakeLists.txt
+++ b/doorlockd/CMakeLists.txt
@@ -103,6 +103,10 @@ install(DIRECTORY images/ DESTINATION share/doorlockd/images
     FILES_MATCHING PATTERN "images/*.png"
     PERMISSIONS WORLD_READ OWNER_READ GROUP_READ)
 
+install(DIRECTORY sounds/ DESTINATION share/doorlockd/sounds
+    FILES_MATCHING PATTERN "sounds/*.wav"
+    PERMISSIONS WORLD_READ OWNER_READ GROUP_READ)
+
 install(FILES scripts/doorlockd.service DESTINATION /etc/systemd/system/)
 
 install(DIRECTORY scripts/ DESTINATION etc/doorlockd/
diff --git a/doorlockd/client/mainwindow.cpp b/doorlockd/client/mainwindow.cpp
index 255731e..0b67b9a 100644
--- a/doorlockd/client/mainwindow.cpp
+++ b/doorlockd/client/mainwindow.cpp
@@ -3,6 +3,9 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 
+#define PLAY(file) \
+    system("play -q " file " &")
+
 MainWindow::MainWindow(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::MainWindow)
@@ -22,7 +25,33 @@ void MainWindow::setClientmessage(const Clientmessage &msg)
     ui->qrwidget->setQRData(msg.token());
     ui->tokenLabel->setText(QString::fromStdString(msg.token()));
 
+    const auto &doormsg = msg.doormessage();
+
     _LED(msg.isOpen());
+
+    if (_oldMessage.isOpen() && !msg.isOpen()) {
+        // regular close
+        PLAY(SOUND_LOCK);
+    } else if (!_oldMessage.isOpen() && msg.isOpen()) {
+        // regular open
+        PLAY(SOUND_UNLOCK);
+    } else {
+        // no change
+    }
+
+    if (doormsg.isEmergencyUnlock) {
+        PLAY(SOUND_EMERGENCY_UNLOCK);
+    } else if (doormsg.isLockButton) {
+        PLAY(SOUND_LOCK_BUTTON);
+    } else if (doormsg.isUnlockButton) {
+        if (msg.isOpen()) {
+            PLAY(SOUND_ZONK);
+        } else {
+            PLAY(SOUND_UNLOCK_BUTTON);
+        }
+    }
+
+    _oldMessage = msg;
 }
 
 void MainWindow::_LED(const bool on)
diff --git a/doorlockd/client/mainwindow.h b/doorlockd/client/mainwindow.h
index 1a67547..186f80d 100644
--- a/doorlockd/client/mainwindow.h
+++ b/doorlockd/client/mainwindow.h
@@ -25,6 +25,8 @@ public:
 private:
     Ui::MainWindow *ui;
 
+    Clientmessage _oldMessage = { };
+
     void _LED(const bool on);
 };
 
diff --git a/doorlockd/config.h.in b/doorlockd/config.h.in
index ff8c627..26118c7 100644
--- a/doorlockd/config.h.in
+++ b/doorlockd/config.h.in
@@ -29,6 +29,14 @@
 #define SHARED_LOCATION "@CMAKE_INSTALL_PREFIX@/share/doorlockd/"
 #define IMAGE_LOCATION  SHARED_LOCATION "images/"
 
+#define SOUNDS_LOCATION         SHARED_LOCATION "sounds/"
+#define SOUND_LOCK              SOUNDS_LOCATION "lock.wav"
+#define SOUND_UNLOCK            SOUNDS_LOCATION "unlock.wav"
+#define SOUND_EMERGENCY_UNLOCK  SOUNDS_LOCATION "emergency_unlock.wav"
+#define SOUND_ZONK              SOUNDS_LOCATION "zonk.wav"
+#define SOUND_LOCK_BUTTON       SOUNDS_LOCATION "lock_button.wav"
+#define SOUND_UNLOCK_BUTTON     SOUNDS_LOCATION "unlock_button.wav"
+
 #define PRE_LOCK_SCRIPT "@CMAKE_INSTALL_PREFIX@/etc/doorlockd/pre_lock &"
 #define POST_LOCK_SCRIPT "@CMAKE_INSTALL_PREFIX@/etc/doorlockd/post_lock &"
 #define PRE_UNLOCK_SCRIPT "@CMAKE_INSTALL_PREFIX@/etc/doorlockd/pre_unlock &"