diff --git a/app/__init__.py b/app/__init__.py
index 7611fa2..b797b93 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -101,6 +101,7 @@ def create_app():
         main,
         player,
         soundboard,
+        sounds,
         stream,
     )
 
@@ -109,6 +110,7 @@ def create_app():
     app.register_blueprint(admin.bp, url_prefix="/api/admin")
     app.register_blueprint(admin_sounds.bp, url_prefix="/api/admin/sounds")
     app.register_blueprint(soundboard.bp, url_prefix="/api/soundboard")
+    app.register_blueprint(sounds.bp, url_prefix="/api/sounds")
     app.register_blueprint(stream.bp, url_prefix="/api/stream")
     app.register_blueprint(player.bp, url_prefix="/api/player")
 
diff --git a/app/routes/sounds.py b/app/routes/sounds.py
new file mode 100644
index 0000000..3a2884f
--- /dev/null
+++ b/app/routes/sounds.py
@@ -0,0 +1,99 @@
+"""Routes for serving sound files and thumbnails."""
+
+import os
+from flask import Blueprint, send_from_directory, abort
+
+from app.services.decorators import require_auth
+
+bp = Blueprint("sounds", __name__)
+
+
+@bp.route("/<sound_type>/thumbnails/<path:filename>")
+def serve_thumbnail(sound_type, filename):
+    """Serve thumbnail files for sounds."""
+    try:
+        # Map sound type codes to directory names
+        type_mapping = {
+            "str": "stream",
+            "sdb": "soundboard", 
+            "say": "say"
+        }
+        
+        # Security: validate sound type
+        if sound_type not in type_mapping:
+            abort(404)
+        
+        # Basic filename validation (no path traversal)
+        if ".." in filename or "/" in filename or "\\" in filename:
+            abort(404)
+            
+        if not filename or not filename.strip():
+            abort(404)
+        
+        # Get the actual directory name
+        directory_name = type_mapping[sound_type]
+        
+        # Construct the thumbnail directory path
+        sounds_dir = os.path.join(os.getcwd(), "sounds")
+        thumbnail_dir = os.path.join(sounds_dir, directory_name, "thumbnails")
+        
+        # Check if thumbnail directory exists
+        if not os.path.exists(thumbnail_dir):
+            abort(404)
+        
+        # Check if file exists
+        file_path = os.path.join(thumbnail_dir, filename)
+        if not os.path.exists(file_path):
+            abort(404)
+        
+        # Serve the file
+        return send_from_directory(thumbnail_dir, filename)
+        
+    except Exception:
+        abort(404)
+
+
+@bp.route("/<sound_type>/audio/<path:filename>")
+@require_auth
+def serve_audio(sound_type, filename):
+    """Serve audio files for sounds."""
+    try:
+        # Map sound type codes to directory names
+        type_mapping = {
+            "str": "stream",
+            "sdb": "soundboard", 
+            "say": "say"
+        }
+        
+        # Security: validate sound type
+        if sound_type not in type_mapping:
+            abort(404)
+        
+        # Basic filename validation (no path traversal)
+        if ".." in filename or "/" in filename or "\\" in filename:
+            abort(404)
+            
+        if not filename or not filename.strip():
+            abort(404)
+        
+        # Get the actual directory name
+        directory_name = type_mapping[sound_type]
+        
+        # Construct the audio directory path
+        sounds_dir = os.path.join(os.getcwd(), "sounds")
+        audio_dir = os.path.join(sounds_dir, directory_name)
+        
+        # Check if audio directory exists
+        if not os.path.exists(audio_dir):
+            abort(404)
+        
+        # Check if file exists
+        file_path = os.path.join(audio_dir, filename)
+        if not os.path.exists(file_path):
+            abort(404)
+        
+        # Serve the file
+        return send_from_directory(audio_dir, filename)
+        
+    except Exception:
+        abort(404)
\ No newline at end of file
diff --git a/app/services/music_player_service.py b/app/services/music_player_service.py
index ed07487..333ad0a 100644
--- a/app/services/music_player_service.py
+++ b/app/services/music_player_service.py
@@ -6,7 +6,7 @@ import time
 from typing import Any, Optional
 
 import vlc
-from flask import current_app
+from flask import current_app, request
 
 from app.models.playlist import Playlist
 from app.models.sound import Sound
@@ -125,6 +125,20 @@ class MusicPlayerService:
             logger.error(f"Error loading playlist {playlist_id}: {e}")
             return False
 
+    def _build_thumbnail_url(self, sound_type: str, thumbnail_filename: str) -> str:
+        """Build absolute thumbnail URL."""
+        try:
+            # Try to get base URL from current request context
+            if request:
+                base_url = request.url_root.rstrip('/')
+            else:
+                # Fallback to localhost if no request context
+                base_url = "http://localhost:5000"
+            return f"{base_url}/api/sounds/{sound_type.lower()}/thumbnails/{thumbnail_filename}"
+        except Exception:
+            # Fallback if request context is not available
+            return f"http://localhost:5000/api/sounds/{sound_type.lower()}/thumbnails/{thumbnail_filename}"
+
     def _load_playlist_with_context(self, playlist) -> bool:
         """Load playlist with database context already established."""
         try:
@@ -402,7 +416,7 @@ class MusicPlayerService:
                                 "artist": None,  # Could be extracted from metadata
                                 "duration": sound.duration or 0,
                                 "thumbnail": (
-                                    f"/api/sounds/{sound.type.lower()}/thumbnails/{sound.thumbnail}"
+                                    self._build_thumbnail_url(sound.type, sound.thumbnail)
                                     if sound.thumbnail
                                     else None
                                 ),
@@ -437,7 +451,7 @@ class MusicPlayerService:
                                         "artist": None,
                                         "duration": sound.duration or 0,
                                         "thumbnail": (
-                                            f"/api/sounds/{sound.type.lower()}/thumbnails/{sound.thumbnail}"
+                                            self._build_thumbnail_url(sound.type, sound.thumbnail)
                                             if sound.thumbnail
                                             else None
                                         ),