diff --git a/app/Services/NotificationSettingService.php b/app/Services/NotificationSettingService.php
index 4ba1e401..0b56ed28 100644
--- a/app/Services/NotificationSettingService.php
+++ b/app/Services/NotificationSettingService.php
@@ -284,6 +284,13 @@ public function getGroupedSettings(): array
             $result[$groupCode] = $groupData;
         }
 
+        // 음원 URL 맵 추가
+        $baseUrl = rtrim(config('app.url'), '/');
+        $result['_soundUrls'] = [
+            'default' => $baseUrl.'/sounds/default.wav',
+            'sam_voice' => $baseUrl.'/sounds/sam_voice.wav',
+        ];
+
         return $result;
     }