diff --git a/modules/turnero/views/dashboard.php b/modules/turnero/views/dashboard.php
index 5a60f1c..6627019 100644
--- a/modules/turnero/views/dashboard.php
+++ b/modules/turnero/views/dashboard.php
@@ -344,7 +344,7 @@ try {
             <div class="ai-title">LIA</div>
             <div style="font-size:.68rem;opacity:.75;font-weight:400">Asistente Inteligente del Lab.</div>
         </div>
-        <button id="btnTTS" class="btn-tts active" onclick="event.stopPropagation();toggleTTS()" title="Activar/silenciar voz">
+        <button id="btnTTS" class="btn-tts" onclick="event.stopPropagation();toggleTTS()" title="Activar/silenciar voz">
             <i class="fas fa-volume-up"></i>
         </button>
         <button class="btn-close" onclick="event.stopPropagation();toggleAI()"></button>
@@ -677,7 +677,7 @@ let _aiOpen = false;
 
 // ── LIA helpers ──────────────────────────────────────────────
 let _aiMinimized = false;
-let _ttsOn       = true;
+let _ttsOn       = false;
 let _recog       = null;
 let _chartProy   = null;