JSFiddle - React, Tailwind, and code Playground

HTML

<select id="select">
    <option selected="selected">Choose</option>
    <option id="1">128</option>
    <option id="2">64</option>
</select>

<div id="sound1">
    128 fff
</div>
<div id="sound2">
    64
</div>

CSS

div{
    display:none;
    height:300px;
    width:300px;
}

JavaScript

$('#select').change(function() {
   $('div').hide();
   $('#sound' + $(this).find('option:selected').attr('id')).show();
});