diff --git a/aioesphomeapi/client.py b/aioesphomeapi/client.py
index 1706be8..ebdda1c 100644
--- a/aioesphomeapi/client.py
+++ b/aioesphomeapi/client.py
@@ -65,7 +65,6 @@ from .api_pb2 import (  # type: ignore
     SwitchCommandRequest,
     TextCommandRequest,
     UnsubscribeBluetoothLEAdvertisementsRequest,
-    VoiceAssistantAudioSettings,
     VoiceAssistantEventData,
     VoiceAssistantEventResponse,
     VoiceAssistantRequest,
@@ -118,9 +117,9 @@ from .model import (
     MediaPlayerCommand,
     UserService,
     UserServiceArgType,
-    VoiceAssistantCommand,
-    VoiceAssistantEventType,
 )
+from .model import VoiceAssistantAudioSettings as VoiceAssistantAudioSettingsModel
+from .model import VoiceAssistantCommand, VoiceAssistantEventType
 from .model_conversions import (
     LIST_ENTITIES_SERVICES_RESPONSE_TYPES,
     SUBSCRIBE_STATES_RESPONSE_TYPES,
@@ -1240,7 +1239,8 @@ class APIClient:
     async def subscribe_voice_assistant(
         self,
         handle_start: Callable[
-            [str, int, VoiceAssistantAudioSettings], Coroutine[Any, Any, int | None]
+            [str, int, VoiceAssistantAudioSettingsModel],
+            Coroutine[Any, Any, int | None],
         ],
         handle_stop: Callable[[], Coroutine[Any, Any, None]],
     ) -> Callable[[], None]:
diff --git a/tests/test_client.py b/tests/test_client.py
index 141a498..3943083 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -55,10 +55,14 @@ from aioesphomeapi.api_pb2 import (
     SirenCommandRequest,
     SubscribeHomeAssistantStateResponse,
     SubscribeLogsResponse,
+    SubscribeVoiceAssistantRequest,
     SwitchCommandRequest,
     TextCommandRequest,
+    VoiceAssistantAudioSettings,
     VoiceAssistantEventData,
     VoiceAssistantEventResponse,
+    VoiceAssistantRequest,
+    VoiceAssistantResponse,
 )
 from aioesphomeapi.client import APIClient
 from aioesphomeapi.connection import APIConnection
@@ -96,6 +100,9 @@ from aioesphomeapi.model import (
     UserServiceArg,
     UserServiceArgType,
 )
+from aioesphomeapi.model import (
+    VoiceAssistantAudioSettings as VoiceAssistantAudioSettingsModel,
+)
 from aioesphomeapi.model import VoiceAssistantEventType as VoiceAssistantEventModelType
 from aioesphomeapi.reconnect_logic import ReconnectLogic, ReconnectLogicState
 
@@ -1699,3 +1706,126 @@ async def test_send_voice_assistant_event(auth_client: APIClient) -> None:
             data=[],
         )
     )
+
+
+@pytest.mark.asyncio
+async def test_subscribe_voice_assistant(
+    api_client: tuple[
+        APIClient, APIConnection, asyncio.Transport, APIPlaintextFrameHelper
+    ],
+) -> None:
+    """Test subscribe_voice_assistant."""
+    client, connection, transport, protocol = api_client
+    send = patch_send(client)
+    starts = []
+    stops = []
+
+    async def handle_start(
+        conversation_id: str, flags: int, audio_settings: VoiceAssistantAudioSettings
+    ) -> int | None:
+        starts.append((conversation_id, flags, audio_settings))
+        return 42
+
+    async def handle_stop() -> None:
+        stops.append(True)
+
+    await client.subscribe_voice_assistant(handle_start, handle_stop)
+    send.assert_called_once_with(SubscribeVoiceAssistantRequest(subscribe=True))
+    send.reset_mock()
+    audio_settings = VoiceAssistantAudioSettings(
+        noise_suppression_level=42,
+        auto_gain=42,
+        volume_multiplier=42,
+    )
+    response: message.Message = VoiceAssistantRequest(
+        conversation_id="theone",
+        start=True,
+        flags=42,
+        audio_settings=audio_settings,
+    )
+    mock_data_received(protocol, generate_plaintext_packet(response))
+    await asyncio.sleep(0)
+    await asyncio.sleep(0)
+    assert starts == [
+        (
+            "theone",
+            42,
+            VoiceAssistantAudioSettingsModel(
+                noise_suppression_level=42,
+                auto_gain=42,
+                volume_multiplier=42,
+            ),
+        )
+    ]
+    assert stops == []
+    send.assert_called_once_with(VoiceAssistantResponse(port=42))
+    send.reset_mock()
+    response: message.Message = VoiceAssistantRequest(
+        conversation_id="theone",
+        start=False,
+    )
+    mock_data_received(protocol, generate_plaintext_packet(response))
+    await asyncio.sleep(0)
+    assert stops == [True]
+
+
+@pytest.mark.asyncio
+async def test_subscribe_voice_assistant_failure(
+    api_client: tuple[
+        APIClient, APIConnection, asyncio.Transport, APIPlaintextFrameHelper
+    ],
+) -> None:
+    """Test subscribe_voice_assistant."""
+    client, connection, transport, protocol = api_client
+    send = patch_send(client)
+    starts = []
+    stops = []
+
+    async def handle_start(
+        conversation_id: str, flags: int, audio_settings: VoiceAssistantAudioSettings
+    ) -> int | None:
+        starts.append((conversation_id, flags, audio_settings))
+        # Return None to indicate failure
+        return None
+
+    async def handle_stop() -> None:
+        stops.append(True)
+
+    await client.subscribe_voice_assistant(handle_start, handle_stop)
+    send.assert_called_once_with(SubscribeVoiceAssistantRequest(subscribe=True))
+    send.reset_mock()
+    audio_settings = VoiceAssistantAudioSettings(
+        noise_suppression_level=42,
+        auto_gain=42,
+        volume_multiplier=42,
+    )
+    response: message.Message = VoiceAssistantRequest(
+        conversation_id="theone",
+        start=True,
+        flags=42,
+        audio_settings=audio_settings,
+    )
+    mock_data_received(protocol, generate_plaintext_packet(response))
+    await asyncio.sleep(0)
+    await asyncio.sleep(0)
+    assert starts == [
+        (
+            "theone",
+            42,
+            VoiceAssistantAudioSettingsModel(
+                noise_suppression_level=42,
+                auto_gain=42,
+                volume_multiplier=42,
+            ),
+        )
+    ]
+    assert stops == []
+    send.assert_called_once_with(VoiceAssistantResponse(error=True))
+    send.reset_mock()
+    response: message.Message = VoiceAssistantRequest(
+        conversation_id="theone",
+        start=False,
+    )
+    mock_data_received(protocol, generate_plaintext_packet(response))
+    await asyncio.sleep(0)
+    assert stops == [True]