diff --git a/lib/synth-audio.js b/lib/synth-audio.js
index cc413c5..646c661 100644
--- a/lib/synth-audio.js
+++ b/lib/synth-audio.js
@@ -194,16 +194,12 @@ async function synthAudio(client, logger, stats, { account_sid,
         audioBuffer = await synthWellSaid(logger, {credentials, stats, language, voice, text, filePath});
         break;
       case 'elevenlabs':
-        if (process.env.JAMBONES_ELEVENLABS_STREAMING) {
-          return {
-            filePath: `say:${text}`,
-            servedFromCache: false,
-            rtt: 0
-          };
+        audioBuffer = await synthElevenlabs(logger, {credentials, options, stats, language, voice, text, filePath});
+        if (typeof audioBuffer === 'object' && audioBuffer.filePath) {
+          return audioBuffer;
         }
         else {
           audioBuffer = await synthElevenlabs(logger, {credentials, options, stats, language, voice, text, filePath});
-
         }
         break;
       case 'whisper':
@@ -607,6 +603,25 @@ const synthCustomVendor = async(logger, {credentials, stats, language, voice, te
 const synthElevenlabs = async(logger, {credentials, options, stats, language, voice, text}) => {
   const {api_key, model_id, options: credOpts} = credentials;
   const opts = !!options && Object.keys(options).length !== 0 ? options : JSON.parse(credOpts || '{}');
+
+  if (process.env.JAMBONES_ELEVENLABS_STREAMING) {
+    let params = '';
+    params += `{api_key=${api_key}`;
+    params += `,model_id=${model_id}`;
+    params += `,optimize_streaming_latency=${opts.optimize_streaming_latency || 2}`;
+    if (opts.voice_settings?.similarity_boost) params += `,similarity_boost=${opts.voice_settings.similarity_boost}`;
+    if (opts.voice_settings?.stability) params += `,stability=${opts.voice_settings.stability}`;
+    if (opts.voice_settings?.style) params += `,style=${opts.voice_settings.style}`;
+    if (opts.voice_settings?.use_speaker_boost === false) params += ',use_speaker_boost=false';
+    params += '}';
+
+    return {
+      filePath: `say:${params}${text.replace(/\n/g, ' ')}`,
+      servedFromCache: false,
+      rtt: 0
+    };
+  }
+
   const optimize_streaming_latency = opts.optimize_streaming_latency ?
     `?optimize_streaming_latency=${opts.optimize_streaming_latency}` : '';
   try {