diff --git a/light9/collector/service.py b/light9/collector/service.py
--- a/light9/collector/service.py
+++ b/light9/collector/service.py
@@ -31,6 +31,7 @@ from starlette_exporter import Prometheu
 
 STAT_SETATTR = Summary('set_attr', 'setAttr calls')
 
+RATE=20
 
 class Updates(WebSocketEndpoint, UiListener):
 
@@ -84,7 +85,7 @@ def main():
             #           port=6445,
             #           rate=rate),
             #sudo chmod a+rw /dev/bus/usb/003/021
-            Udmx(L9['output/dmxA/'], bus=3, address=21, lastDmxChannel=200),
+            Udmx(L9['output/dmxA/'], bus=3, address=21, lastDmxChannel=200, rate=RATE),
         ]
     except Exception:
         log.error("setting up outputs:")
diff --git a/light9/effect/sequencer/service.py b/light9/effect/sequencer/service.py
--- a/light9/effect/sequencer/service.py
+++ b/light9/effect/sequencer/service.py
@@ -22,7 +22,7 @@ from light9.effect.sequencer.sequencer i
 from light9.metrics import metrics
 from light9.run_local import log
 
-RATE = 30
+RATE = 20
 
 
 async def changes():