diff --git a/changelog/3973.changed.md b/changelog/3973.changed.md
new file mode 100644
index 000000000..d6834ce8e
--- /dev/null
+++ b/changelog/3973.changed.md
@@ -0,0 +1 @@
+- Updated `FishAudioTTSService` default model from `s1` to `s2-pro`, matching Fish Audio's latest recommended model for improved quality and speed.
diff --git a/src/pipecat/services/fish/tts.py b/src/pipecat/services/fish/tts.py
index 4974dfa37..f21b42b97 100644
--- a/src/pipecat/services/fish/tts.py
+++ b/src/pipecat/services/fish/tts.py
@@ -172,7 +172,7 @@ class FishAudioTTSService(InterruptibleTTSService):
 
         # 1. Initialize default_settings with hardcoded defaults
         default_settings = FishAudioTTSSettings(
-            model="s1",
+            model="s2-pro",
             voice=None,
             language=None,
             latency="balanced",