diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59d0888be..10f68892f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -109,6 +109,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Performance
 
+- Output transports now send 40ms audio chunks instead of 20ms. This should
+  improve performance.
+
 - `BotSpeakingFrame`s are now sent every 200ms. If the output transport audio chunks
   are higher than 200ms then they will be sent at every audio chunk.
 
diff --git a/src/pipecat/transports/base_transport.py b/src/pipecat/transports/base_transport.py
index 8e0d2c772..411456071 100644
--- a/src/pipecat/transports/base_transport.py
+++ b/src/pipecat/transports/base_transport.py
@@ -31,7 +31,7 @@ class TransportParams(BaseModel):
     audio_out_sample_rate: Optional[int] = None
     audio_out_channels: int = 1
     audio_out_bitrate: int = 96000
-    audio_out_10ms_chunks: int = 2
+    audio_out_10ms_chunks: int = 4
     audio_out_mixer: Optional[BaseAudioMixer] = None
     audio_in_enabled: bool = False
     audio_in_sample_rate: Optional[int] = None