diff --git a/homeassistant/components/cambridge_audio/select.py b/homeassistant/components/cambridge_audio/select.py
index c99abc853e552e..5708425cfb04dc 100644
--- a/homeassistant/components/cambridge_audio/select.py
+++ b/homeassistant/components/cambridge_audio/select.py
@@ -12,7 +12,7 @@
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from .entity import CambridgeAudioEntity
+from .entity import CambridgeAudioEntity, command
 
 
 @dataclass(frozen=True, kw_only=True)
@@ -116,6 +116,7 @@ def current_option(self) -> str | None:
         """Return the state of the select."""
         return self.entity_description.value_fn(self.client)
 
+    @command
     async def async_select_option(self, option: str) -> None:
         """Change the selected option."""
         await self.entity_description.set_value_fn(self.client, option)
diff --git a/homeassistant/components/cambridge_audio/switch.py b/homeassistant/components/cambridge_audio/switch.py
index 3209b275d4689f..19a07682c5b1cb 100644
--- a/homeassistant/components/cambridge_audio/switch.py
+++ b/homeassistant/components/cambridge_audio/switch.py
@@ -12,7 +12,7 @@
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from .entity import CambridgeAudioEntity
+from .entity import CambridgeAudioEntity, command
 
 
 @dataclass(frozen=True, kw_only=True)
@@ -73,10 +73,12 @@ def is_on(self) -> bool:
         """Return the state of the switch."""
         return self.entity_description.value_fn(self.client)
 
+    @command
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn the switch on."""
         await self.entity_description.set_value_fn(self.client, True)
 
+    @command
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn the switch off."""
         await self.entity_description.set_value_fn(self.client, False)