diff --git a/homeassistant/components/music_assistant/entity.py b/homeassistant/components/music_assistant/entity.py
index c12bf107fc027..4c12d33556973 100644
--- a/homeassistant/components/music_assistant/entity.py
+++ b/homeassistant/components/music_assistant/entity.py
@@ -38,6 +38,20 @@ def __init__(self, mass: MusicAssistantClient, player_id: str) -> None:
             name=self.player.name,
             configuration_url=f"{mass.server_url}/#/settings/editplayer/{player_id}",
         )
+        # Forward MA player's hardware connections (set by per-protocol
+        # providers — bluetooth bridges, AirPlay, WiiM, …) verbatim into
+        # HA's device-registry input. The connection-type strings come
+        # from the provider; HA's registry treats any string as a valid
+        # connection type and merges devices across integrations that
+        # declare the same tuple. ``getattr`` keeps the integration
+        # working with older ``music_assistant_models`` releases that
+        # don't yet have the field. Only set the key when non-empty so
+        # players with no advertised hardware identity don't get a
+        # spurious empty ``connections`` set in their HA device record.
+        if mass_connections := set(
+            getattr(self.player.device_info, "connections", None) or set()
+        ):
+            self._attr_device_info["connections"] = mass_connections
 
     async def async_added_to_hass(self) -> None:
         """Register callbacks."""
diff --git a/tests/components/music_assistant/fixtures/players.json b/tests/components/music_assistant/fixtures/players.json
index 2ddf5a718553b..80f1548f6318c 100644
--- a/tests/components/music_assistant/fixtures/players.json
+++ b/tests/components/music_assistant/fixtures/players.json
@@ -9,7 +9,11 @@
       "device_info": {
         "model": "Test Model",
         "address": "192.168.1.1",
-        "manufacturer": "Test Manufacturer"
+        "manufacturer": "Test Manufacturer",
+        "connections": [
+          ["mac", "00:00:00:00:00:01"],
+          ["bluetooth", "aa:bb:cc:dd:ee:ff"]
+        ]
       },
       "supported_features": [
         "volume_set",
diff --git a/tests/components/music_assistant/test_init.py b/tests/components/music_assistant/test_init.py
index 94f6f176964ff..735a2809c7e2e 100644
--- a/tests/components/music_assistant/test_init.py
+++ b/tests/components/music_assistant/test_init.py
@@ -4,6 +4,8 @@
 
 from music_assistant_models.enums import EventType
 from music_assistant_models.errors import ActionUnavailable, AuthenticationRequired
+from music_assistant_models.player import DeviceInfo as MassDeviceInfo
+import pytest
 
 from homeassistant.components.music_assistant.const import (
     ATTR_CONF_EXPOSE_PLAYER_TO_HA,
@@ -211,3 +213,41 @@ async def test_authentication_required_addon_no_reauth(
     issue_reg = ir.async_get(hass)
     issue_id = f"config_entry_reauth_{DOMAIN}_{config_entry.entry_id}"
     assert issue_reg.async_get_issue("homeassistant", issue_id) is None
+
+
+@pytest.mark.skipif(
+    "connections" not in getattr(MassDeviceInfo, "__dataclass_fields__", {}),
+    reason=(
+        "music_assistant_models.player.DeviceInfo.connections not yet "
+        "available — requires music-assistant/models#215 release + a "
+        "music-assistant-client bump in this integration's manifest."
+    ),
+)
+async def test_device_info_forwards_player_connections(
+    hass: HomeAssistant,
+    device_registry: dr.DeviceRegistry,
+    music_assistant_client: MagicMock,
+) -> None:
+    """Test that the player's device_info.connections is forwarded into HA's device_registry.
+
+    Provider-side connection identifiers (BT MAC, Wi-Fi MAC, Zigbee EUI-64,
+    UPnP UUID, etc.) are surfaced in the MA player's
+    ``device_info.connections`` set; HA's MA integration must forward them
+    so HA's device_registry can dedupe device cards across integrations
+    that know the same hardware.
+    """
+    await setup_integration_from_fixtures(hass, music_assistant_client)
+    await hass.async_block_till_done()
+    config_entry = hass.config_entries.async_entries(DOMAIN)[0]
+    # Look up the specific player's device by its identifier rather than
+    # by ``async_entries_for_config_entry`` index (the fixture has multiple
+    # players and ordering is not part of the API).
+    device_entry = device_registry.async_get_device(
+        identifiers={(DOMAIN, "00:00:00:00:00:01")}
+    )
+    assert device_entry is not None
+    assert device_entry.config_entries == {config_entry.entry_id}
+    # The fixture's first player declares two connections: a Wi-Fi MAC
+    # and a Bluetooth MAC. Both must round-trip into the HA device.
+    assert ("mac", "00:00:00:00:00:01") in device_entry.connections
+    assert ("bluetooth", "aa:bb:cc:dd:ee:ff") in device_entry.connections