diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2256de7..0a72546 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,8 @@
   - "soundmode" feature
   - "speaker_level"
   - "rear_speaker_mode"
+  - "space_fit_sound"
+  - "active_voice_amplifier"
 
 ### Changed
 
diff --git a/custom_components/samsung_soundbar/api_extension/SoundbarDevice.py b/custom_components/samsung_soundbar/api_extension/SoundbarDevice.py
index f89e844..ef4a641 100644
--- a/custom_components/samsung_soundbar/api_extension/SoundbarDevice.py
+++ b/custom_components/samsung_soundbar/api_extension/SoundbarDevice.py
@@ -14,15 +14,15 @@ log = logging.getLogger(__name__)
 
 class SoundbarDevice:
     def __init__(
-        self,
-        device: DeviceEntity,
-        session,
-        max_volume: int,
-        device_name: str,
-        enable_eq: bool = False,
-        enable_soundmode: bool = False,
-        enable_advanced_audio: bool = False,
-        enable_woofer: bool = False,
+            self,
+            device: DeviceEntity,
+            session,
+            max_volume: int,
+            device_name: str,
+            enable_eq: bool = False,
+            enable_soundmode: bool = False,
+            enable_advanced_audio: bool = False,
+            enable_woofer: bool = False,
     ):
         self.device = device
         self._device_id = self.device.device_id
@@ -91,8 +91,8 @@ class SoundbarDevice:
         payload = await self.get_execute_status()
         retry = 0
         while (
-            "x.com.samsung.networkaudio.supportedSoundmode" not in payload
-            and retry < 10
+                "x.com.samsung.networkaudio.supportedSoundmode" not in payload
+                and retry < 10
         ):
             await asyncio.sleep(1)
             payload = await self.get_execute_status()
@@ -420,6 +420,22 @@ class SoundbarDevice:
             value=mode.value,
         )
 
+    # ------------ OTHER FUNCTIONS ------------
+
+    async def set_active_voice_amplifier(self, enabled: bool):
+        await self.set_custom_execution_data(
+            href="/sec/networkaudio/activeVoiceAmplifier",
+            property="x.com.samsung.networkaudio.activeVoiceAmplifier",
+            value=1 if enabled else 0
+        )
+
+    async def set_space_fit_sound(self, enabled: bool):
+        await self.set_custom_execution_data(
+            href="/sec/networkaudio/spacefitSound",
+            property="x.com.samsung.networkaudio.spacefitSound",
+            value=1 if enabled else 0
+        )
+
     # ------------ SUPPORT FUNCTIONS ------------
 
     async def update_execution_data(self, argument: str):
diff --git a/custom_components/samsung_soundbar/media_player.py b/custom_components/samsung_soundbar/media_player.py
index 8cc76c7..0e38fab 100644
--- a/custom_components/samsung_soundbar/media_player.py
+++ b/custom_components/samsung_soundbar/media_player.py
@@ -92,6 +92,20 @@ def addServices():
         SmartThingsSoundbarMediaPlayer.async_set_rear_speaker_mode.__name__,
     )
 
+    platform.async_register_entity_service(
+        "set_active_voice_amplifier",
+        cv.make_entity_service_schema({vol.Required("enabled"): bool}),
+        SmartThingsSoundbarMediaPlayer.async_set_active_voice_amplifier.__name__,
+    )
+
+    platform.async_register_entity_service(
+        "set_space_fit_sound",
+        cv.make_entity_service_schema({vol.Required("enabled"): bool}),
+        SmartThingsSoundbarMediaPlayer.async_set_space_fit_sound.__name__,
+    )
+
+
+
 
 async def async_setup_entry(hass, config_entry, async_add_entities):
     domain_data = hass.data[DOMAIN]
@@ -267,6 +281,12 @@ class SmartThingsSoundbarMediaPlayer(MediaPlayerEntity):
     async def async_set_rear_speaker_mode(self, speaker_mode: str):
         await self.device.set_rear_speaker_mode(RearSpeakerMode(speaker_mode))
 
+    async def async_set_active_voice_amplifier(self, enabled: bool):
+        await self.device.set_active_voice_amplifier(enabled)
+
+    async def async_set_space_fit_sound(self, enabled: bool):
+        await self.device.set_space_fit_sound(enabled)
+
     # This property can be uncommented for some extra_attributes
     # Still enabling this can cause side-effects.
     # @property
diff --git a/custom_components/samsung_soundbar/services.yaml b/custom_components/samsung_soundbar/services.yaml
index 1284ec8..84e3f53 100644
--- a/custom_components/samsung_soundbar/services.yaml
+++ b/custom_components/samsung_soundbar/services.yaml
@@ -134,4 +134,34 @@ set_rear_speaker_mode:
           translation_key: "speaker_identifier"
           options:
             - "Rear"
-            - "Front" 
\ No newline at end of file
+            - "Front"
+
+set_active_voice_amplifier:
+  name: Set active voice amplifier
+  description: Activates / deactivates the active voice amplifier
+  target:
+    device:
+      integration: samsung_soundbar
+  fields:
+    enabled:
+      name: Enabled / Disabled
+      required: true
+      example: true
+      default: false
+      selector:
+        boolean:
+
+set_space_fit_sound:
+  name: Set SpaceFitSound
+  description: Activates / deactivates the SpaceFitSound
+  target:
+    device:
+      integration: samsung_soundbar
+  fields:
+    enabled:
+      name: Enabled / Disabled
+      required: true
+      example: true
+      default: false
+      selector:
+        boolean:
\ No newline at end of file