diff --git a/LightlessSync/Services/LightlessNotificationService.cs b/LightlessSync/Services/LightlessNotificationService.cs
index c926d34..1afd9a5 100644
--- a/LightlessSync/Services/LightlessNotificationService.cs
+++ b/LightlessSync/Services/LightlessNotificationService.cs
@@ -1,4 +1,5 @@
 using Dalamud.Interface;
+using Dalamud.Plugin.Services;
 using LightlessSync.LightlessConfiguration;
 using LightlessSync.LightlessConfiguration.Models;
 using LightlessSync.Services.Mediator;
@@ -6,6 +7,8 @@ using LightlessSync.UI;
 using LightlessSync.UI.Models;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using FFXIVClientStructs.FFXIV.Client.UI;
+
 namespace LightlessSync.Services;
 public class LightlessNotificationService : DisposableMediatorSubscriberBase, IHostedService
 {
@@ -48,7 +51,6 @@ public class LightlessNotificationService : DisposableMediatorSubscriberBase, IH
             SoundEffectId = soundEffectId ?? NotificationSounds.GetDefaultSound(type)
         };
         
-        // Play sound effect if specified
         if (notification.SoundEffectId.HasValue)
         {
             PlayNotificationSound(notification.SoundEffectId.Value);
@@ -100,7 +102,6 @@ public class LightlessNotificationService : DisposableMediatorSubscriberBase, IH
             }
         };
         
-        // Play sound effect
         if (notification.SoundEffectId.HasValue)
         {
             PlayNotificationSound(notification.SoundEffectId.Value);
@@ -140,7 +141,6 @@ public class LightlessNotificationService : DisposableMediatorSubscriberBase, IH
             SoundEffectId = NotificationSounds.DownloadComplete
         };
         
-        // Play sound effect
         if (notification.SoundEffectId.HasValue)
         {
             PlayNotificationSound(notification.SoundEffectId.Value);
@@ -188,7 +188,6 @@ public class LightlessNotificationService : DisposableMediatorSubscriberBase, IH
             SoundEffectId = NotificationSounds.Error
         };
         
-        // Play sound effect
         if (notification.SoundEffectId.HasValue)
         {
             PlayNotificationSound(notification.SoundEffectId.Value);
@@ -198,7 +197,6 @@ public class LightlessNotificationService : DisposableMediatorSubscriberBase, IH
     }
     public void ShowPairDownloadNotification(List<(string playerName, float progress, string status)> downloadStatus, int queueWaiting = 0)
     {
-        // Filter out queue status from user downloads
         var userDownloads = downloadStatus.Where(x => x.playerName != "Pair Queue").ToList();
         
         var totalProgress = userDownloads.Count > 0 ? userDownloads.Average(x => x.progress) : 0f;
@@ -207,13 +205,11 @@ public class LightlessNotificationService : DisposableMediatorSubscriberBase, IH
         
         var message = "";
         
-        // Add queue status at the top if there are waiting items
         if (queueWaiting > 0)
         {
             message = $"Queue: {queueWaiting} waiting";
         }
         
-        // Add download progress if there are downloads
         if (totalCount > 0)
         {
             var progressMessage = $"Progress: {completedCount}/{totalCount} completed";
@@ -240,7 +236,6 @@ public class LightlessNotificationService : DisposableMediatorSubscriberBase, IH
             message += string.IsNullOrEmpty(message) ? downloadLines : $"\n{downloadLines}";
         }
         
-        // Check if all downloads are completed
         var allDownloadsCompleted = userDownloads.All(x => x.progress >= 1.0f) && userDownloads.Any();
         
         var notification = new LightlessNotification
@@ -259,6 +254,7 @@ public class LightlessNotificationService : DisposableMediatorSubscriberBase, IH
           DismissPairDownloadNotification();
         }
     }
+    
     public void DismissPairDownloadNotification()
     {
         Mediator.Publish(new LightlessNotificationDismissMessage("pair_download_progress"));
@@ -268,15 +264,15 @@ public class LightlessNotificationService : DisposableMediatorSubscriberBase, IH
     {
         try
         {
-            // TODO: Implement proper sound playback
-            // The ChatGui.PlaySoundEffect method doesn't exist in the current Dalamud API
-            // For now, just log what sound would be played
-            _logger.LogDebug("Would play notification sound effect {SoundId}", soundEffectId);
-            
-            // Future implementation options:
-            // 1. Use UIModule->PlaySound() with proper unsafe interop
-            // 2. Use game's sound system through SigScanner
-            // 3. Wait for official Dalamud sound API
+            try
+            {
+                UIGlobals.PlayChatSoundEffect(soundEffectId);
+                _logger.LogDebug("Played notification sound effect {SoundId} via ChatGui", soundEffectId);
+            }
+            catch (Exception chatEx)
+            {
+                _logger.LogWarning(chatEx, "Failed to play sound via ChatGui for ID {SoundId}", soundEffectId);
+            }
         }
         catch (Exception ex)
         {
diff --git a/LightlessSync/UI/Models/NotificationSounds.cs b/LightlessSync/UI/Models/NotificationSounds.cs
index 962263a..8b60532 100644
--- a/LightlessSync/UI/Models/NotificationSounds.cs
+++ b/LightlessSync/UI/Models/NotificationSounds.cs
@@ -1,42 +1,64 @@
-using LightlessSync.LightlessConfiguration.Models;
+using LightlessSync.LightlessConfiguration.Models;
 
 namespace LightlessSync.UI.Models;
 
 /// <summary>
-/// Common FFXIV sound effect IDs for notifications
+/// Common FFXIV <se.#> sound effect IDs for notifications.
+/// These correspond to the same sound IDs used in macros (1–16).
 /// </summary>
 public static class NotificationSounds
 {
+    // ─────────────────────────────────────────────
+    // Base <se.#> IDs (1–16)
+    // https://ffxiv.consolegameswiki.com/wiki/Macros#Sound_Effects
+    // ─────────────────────────────────────────────
+    public const uint Se1 = 1;   // Soft chime
+    public const uint Se2 = 2;   // Higher chime
+    public const uint Se3 = 3;   // Bell tone
+    public const uint Se4 = 4;   // Harp tone
+    public const uint Se5 = 5;   // Drum / percussion
+    public const uint Se6 = 6;   // Mechanical click
+    public const uint Se7 = 7;   // Metallic chime
+    public const uint Se8 = 8;   // Wooden tone
+    public const uint Se9 = 9;   // Wind / flute tone
+    public const uint Se10 = 10; // Magical sparkle
+    public const uint Se11 = 11; // Metallic ring
+    public const uint Se12 = 12; // Deep thud
+    public const uint Se13 = 13; // "Tell received" ping
+    public const uint Se14 = 14; // Success fanfare short
+    public const uint Se15 = 15; // System warning
+    public const uint Se16 = 16; // Error / failure──────────────────────────────────────────
+
     /// <summary>
-    /// General notification sound (quest complete)
+    /// General notification sound (<se.2>)
     /// </summary>
-    public const uint Info = 37;
-    
+    public const uint Info = Se2;
+
     /// <summary>
-    /// Warning/alert sound (system error)
+    /// Warning/alert sound (<se.15>)
     /// </summary>
-    public const uint Warning = 15;
-    
+    public const uint Warning = Se15;
+
     /// <summary>
-    /// Error sound (action failed)
+    /// Error sound (<se.16>)
     /// </summary>
-    public const uint Error = 16;
-    
+    public const uint Error = Se16;
+
     /// <summary>
-    /// Success sound (level up)
+    /// Success sound (<se.14>)
     /// </summary>
-    public const uint Success = 25;
-    
+    public const uint Success = Se14;
+
     /// <summary>
-    /// Pair request sound (tell received)
+    /// Pair request sound (<se.13>, same as tell notification)
     /// </summary>
-    public const uint PairRequest = 13;
-    
+    public const uint PairRequest = Se13;
+
     /// <summary>
-    /// Download complete sound (item obtained)
+    /// Download complete sound (<se.10>, a clean sparkle tone)
     /// </summary>
-    public const uint DownloadComplete = 30;
-    
+    public const uint DownloadComplete = Se10;
+
     /// <summary>
     /// Get default sound for notification type
     /// </summary>