diff --git a/webrtc/voice_engine/voice_engine_defines.h b/webrtc/voice_engine/voice_engine_defines.h
index 13183dd1ee..f840aa95ed 100644
--- a/webrtc/voice_engine/voice_engine_defines.h
+++ b/webrtc/voice_engine/voice_engine_defines.h
@@ -375,9 +375,9 @@ namespace
 namespace webrtc
 {
   // Max number of supported channels
-  enum { kVoiceEngineMaxNumOfChannels = 2 };
+  enum { kVoiceEngineMaxNumOfChannels = 32 };
   // Max number of channels which can be played out simultaneously
-  enum { kVoiceEngineMaxNumOfActiveChannels = 2 };
+  enum { kVoiceEngineMaxNumOfActiveChannels = 16 };
 } // namespace webrtc
 
 // ----------------------------------------------------------------------------