diff --git a/c4ctrl.py b/c4ctrl.py
index 0b404dc..25a4d9f 100755
--- a/c4ctrl.py
+++ b/c4ctrl.py
@@ -527,6 +527,13 @@ class Dmx7(Dmx): # {{{1
     template = "000000000000ff"
 # }}}1
 
+class Rgbw(Dmx): # {{{1
+    """ Abstraction of 4 channel (RGBW) LED strips. """
+
+    # 3 bytes for color plus 1 byte for white.
+    template = "00000000"
+# }}}1
+
 class C4Room: # {{{1
     """ Methods of rooms in the club. """
 
@@ -755,10 +762,10 @@ class Wohnzimmer(C4Room): # {{{1
             Dmx7("dmx/wohnzimmer/mitte3"),
             Dmx7("dmx/wohnzimmer/gang"),
             Dmx7("dmx/wohnzimmer/baellebad"),
-            Dmx4("dmx/wohnzimmer/spuele1"),
+            Rgbw("dmx/wohnzimmer/spuele1"),
             Dmx("dmx/wohnzimmer/spuele2"),
-            Dmx4("dmx/wohnzimmer/tresen"),
-            Dmx4("dmx/wohnzimmer/tresen2"),
+            Rgbw("dmx/wohnzimmer/tresen"),
+            Rgbw("dmx/wohnzimmer/tresen2"),
             Dmx("dmx/wohnzimmer/chaosknoten")
         )
 # }}}1