diff --git a/comfy_extras/nodes_audio.py b/comfy_extras/nodes_audio.py
index 812301fb7e5f..c7916443caed 100644
--- a/comfy_extras/nodes_audio.py
+++ b/comfy_extras/nodes_audio.py
@@ -573,12 +573,14 @@ def define_schema(cls):
                     step=0.01,
                     tooltip="Duration of the empty audio clip in seconds",
                 ),
-                IO.Float.Input(
+                IO.Int.Input(
                     "sample_rate",
                     default=44100,
                     tooltip="Sample rate of the empty audio clip.",
+                    min=1,
+                    max=192000,
                 ),
-                IO.Float.Input(
+                IO.Int.Input(
                     "channels",
                     default=2,
                     min=1,