User manual

<p>&lt;center&gt;<strong>Click the link below to be redirected to the new instruction manual website.</strong>&lt;/center&gt; &lt;center&gt;<a href="https://help.xsonicaudio.com/product/spk&lt;/center&gt">https://help.xsonicaudio.com/product/spk&lt;/center&gt</a>;</p>