diff --git a/csdr/chain/drm.py b/csdr/chain/drm.py
index be06eed0..12c9d3b8 100644
--- a/csdr/chain/drm.py
+++ b/csdr/chain/drm.py
@@ -1,14 +1,17 @@
 from csdr.chain.demodulator import BaseDemodulatorChain, FixedIfSampleRateChain, FixedAudioRateChain
-from pycsdr.modules import Convert
+from pycsdr.modules import Convert, Downmix
 from pycsdr.types import Format
 from owrx.drm import DrmModule
 
 
 class Drm(BaseDemodulatorChain, FixedIfSampleRateChain, FixedAudioRateChain):
     def __init__(self):
-        workers = [Convert(Format.COMPLEX_FLOAT, Format.COMPLEX_SHORT), DrmModule()]
+        workers = [Convert(Format.COMPLEX_FLOAT, Format.COMPLEX_SHORT), DrmModule(), Downmix()]
         super().__init__(workers)
 
+    def supportsSquelch(self) -> bool:
+        return False
+
     def getFixedIfSampleRate(self) -> int:
         return 48000