<div id="sound-control-speaker" title='mute/unmute'><i class="fa {{speakerClass}}" {{action 'muteToggle'}}></i><i class="fa fa-times" {{action 'muteToggle'}}></i></div>
<div id="sound-control-scale">
  <div id="sound-control-scale-plus" class="sound-control-scale-indicator" {{ action 'clickPlus' }} disabled={{muted}}>+</div>
  <div id="sound-control-range-wrapper" title="volume" >
  <input
    id="sound-control-range-slider"
    type="range"
    min="0"
    max="1"
    step="0.01"
    class="volume-slider"
    disabled={{ mut muted }}
    data-orientation="vertical"
  >
  </div>
  <div id="sound-control-scale-minus" class="sound-control-scale-indicator" {{ action 'clickMinus' }} disabled={{muted}}>-</div>
</div>