diff --git a/homeassistant/components/arcam_fmj/coordinator.py b/homeassistant/components/arcam_fmj/coordinator.py
index 268a0297c852..83faef37d10f 100644
--- a/homeassistant/components/arcam_fmj/coordinator.py
+++ b/homeassistant/components/arcam_fmj/coordinator.py
@@ -66,6 +66,7 @@ class ArcamFmjCoordinator(DataUpdateCoordinator[None]):
             model="Arcam FMJ AVR",
             name=name,
         )
+        self.zone_unique_id = f"{unique_id}-{zone}"
 
         if zone != 1:
             self.device_info["via_device"] = (DOMAIN, unique_id)
diff --git a/homeassistant/components/arcam_fmj/entity.py b/homeassistant/components/arcam_fmj/entity.py
new file mode 100644
index 000000000000..7c1bac6dd68f
--- /dev/null
+++ b/homeassistant/components/arcam_fmj/entity.py
@@ -0,0 +1,20 @@
+"""Base entity for Arcam FMJ integration."""
+
+from __future__ import annotations
+
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from .coordinator import ArcamFmjCoordinator
+
+
+class ArcamFmjEntity(CoordinatorEntity[ArcamFmjCoordinator]):
+    """Base entity for Arcam FMJ."""
+
+    _attr_has_entity_name = True
+
+    def __init__(self, coordinator: ArcamFmjCoordinator) -> None:
+        """Initialize the entity."""
+        super().__init__(coordinator)
+        self._attr_device_info = coordinator.device_info
+        self._attr_entity_registry_enabled_default = coordinator.state.zn == 1
+        self._attr_unique_id = coordinator.zone_unique_id
diff --git a/homeassistant/components/arcam_fmj/media_player.py b/homeassistant/components/arcam_fmj/media_player.py
index 76fa06cdf907..04451c692ce0 100644
--- a/homeassistant/components/arcam_fmj/media_player.py
+++ b/homeassistant/components/arcam_fmj/media_player.py
@@ -22,10 +22,10 @@ from homeassistant.const import ATTR_ENTITY_ID
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
-from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
 from .const import EVENT_TURN_ON
 from .coordinator import ArcamFmjConfigEntry, ArcamFmjCoordinator
+from .entity import ArcamFmjEntity
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -39,14 +39,7 @@ async def async_setup_entry(
     coordinators = config_entry.runtime_data.coordinators
 
     async_add_entities(
-        [
-            ArcamFmj(
-                config_entry.title,
-                coordinators[zone],
-                config_entry.unique_id or config_entry.entry_id,
-            )
-            for zone in (1, 2)
-        ],
+        [ArcamFmj(coordinators[zone]) for zone in (1, 2)],
     )
 
 
@@ -67,17 +60,10 @@ def convert_exception[**_P, _R](
     return _convert_exception
 
 
-class ArcamFmj(CoordinatorEntity[ArcamFmjCoordinator], MediaPlayerEntity):
+class ArcamFmj(ArcamFmjEntity, MediaPlayerEntity):
     """Representation of a media device."""
 
-    _attr_has_entity_name = True
-
-    def __init__(
-        self,
-        device_name: str,
-        coordinator: ArcamFmjCoordinator,
-        uuid: str,
-    ) -> None:
+    def __init__(self, coordinator: ArcamFmjCoordinator) -> None:
         """Initialize device."""
         super().__init__(coordinator)
         self._state = coordinator.state
@@ -93,9 +79,6 @@ class ArcamFmj(CoordinatorEntity[ArcamFmjCoordinator], MediaPlayerEntity):
         )
         if self._state.zn == 1:
             self._attr_supported_features |= MediaPlayerEntityFeature.SELECT_SOUND_MODE
-        self._attr_unique_id = f"{uuid}-{self._state.zn}"
-        self._attr_entity_registry_enabled_default = self._state.zn == 1
-        self._attr_device_info = coordinator.device_info
 
     @property
     def state(self) -> MediaPlayerState: