diff --git a/src/light9/collector/device.py b/src/light9/collector/device.py
--- a/src/light9/collector/device.py
+++ b/src/light9/collector/device.py
@@ -134,10 +134,12 @@ def untype_toOutputAttrs(deviceType, dev
         return {L9['red']: r, L9['green']: g, L9['blue']: b}
     elif deviceType == L9['LedPar90']:
         r, g, b = rgbAttr(L9['color'])
-        return {L9['master']: 255, L9['red']: r, L9['green']: g, L9['blue']: b, L9['white']: 0}
+        w = _8bit(floatAttr(L9['white']))
+        return {L9['master']: 255, L9['red']: r, L9['green']: g, L9['blue']: b, L9['white']: w}
     elif deviceType == L9['LedPar54']:
         r, g, b = rgbAttr(L9['color'])
-        return {L9['master']: 255, L9['red']: r, L9['green']: g, L9['blue']: b, L9['white']: 0, L9['strobe']: 0}
+        w = _8bit(floatAttr(L9['white']))
+        return {L9['master']: 255, L9['red']: r, L9['green']: g, L9['blue']: b, L9['white']: w, L9['strobe']: 0}
     elif deviceType == L9['SimpleDimmer']:
         return {L9['level']: _8bit(floatAttr(L9['brightness']))}
     elif deviceType == L9['MegaFlash']: