diff --git a/api/src/inference/instance_pool.py b/api/src/inference/instance_pool.py
index 808f330..244b515 100644
--- a/api/src/inference/instance_pool.py
+++ b/api/src/inference/instance_pool.py
@@ -107,6 +107,7 @@ class InstancePool:
                 # Get request from queue
                 request = await self.request_queue.get()
                 text, voice_info = request["text"], request["voice_info"]
+                speed = request.get("speed", 1.0)  # Get speed with default 1.0
                 future = request["future"]
                 
                 # Get available instance
@@ -124,7 +125,7 @@ class InstancePool:
                 try:
                     # Process request
                     result = []
-                    async for chunk in instance.manager.generate(text, voice_info):
+                    async for chunk in instance.manager.generate(text, voice_info, speed=speed):
                         result.append(chunk)
                     future.set_result(result)
                 except Exception as e:
@@ -140,7 +141,7 @@ class InstancePool:
                 logger.error(f"Error processing request: {e}")
                 await asyncio.sleep(1)
     
-    async def process_request(self, text: str, voice_info: tuple) -> List[Any]:
+    async def process_request(self, text: str, voice_info: tuple, speed: float = 1.0) -> List[Any]:
         """Submit request to queue and wait for result."""
         # Create future to get result
         future = asyncio.Future()
@@ -149,6 +150,7 @@ class InstancePool:
         request = {
             "text": text,
             "voice_info": voice_info,
+            "speed": speed,
             "future": future
         }
         
diff --git a/api/src/services/tts_service.py b/api/src/services/tts_service.py
index dbda003..d0236fc 100644
--- a/api/src/services/tts_service.py
+++ b/api/src/services/tts_service.py
@@ -286,7 +286,7 @@ class TTSService:
             )
             
             # Process request through instance pool
-            chunks = await self.instance_pool.process_request(text, (voice_name, voice_path))
+            chunks = await self.instance_pool.process_request(text, (voice_name, voice_path), speed)
             
             # Yield chunks
             for chunk in chunks: