diff --git a/index.php b/index.php
index c63097e..bf73d7c 100644
--- a/index.php
+++ b/index.php
@@ -2102,6 +2102,7 @@ $twitter_link = "https://twitter.com/";
 
     <audio id="radio-audio" src="https://listen.radioking.com/radio/828046/stream/897251" preload="auto" crossorigin="anonymous"></audio>
     <audio id="welcome-sound" src="https://assets.mixkit.co/active_storage/sfx/2013/2013-preview.mp3" preload="auto"></audio>
+    <audio id="pop-sound" src="https://assets.mixkit.co/active_storage/sfx/2354/2354-preview.mp3" preload="auto"></audio>
 
     <script>
         const audio = document.getElementById('radio-audio');
@@ -2552,6 +2553,15 @@ $twitter_link = "https://twitter.com/";
                 
                 if (messages.length === lastMessageCount) return;
                 
+                // Play pop sound for new messages (not on initial load)
+                if (messages.length > lastMessageCount && lastMessageCount > 0) {
+                    const popSound = document.getElementById('pop-sound');
+                    if (popSound) {
+                        popSound.currentTime = 0;
+                        popSound.play().catch(e => console.log('Pop sound blocked:', e));
+                    }
+                }
+                
                 const currentUserName = document.getElementById('user-name').value.trim() || 'Anónimo';
                 chatMessages.innerHTML = '';
                 messages.forEach((msg, index) => {