"<span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; ">Lots of people dock their laptops<br>at work or home and have USB speakers (I have this) when at home I want<br>
one device, when at work I want another and a simple priority list of<br>devices for "audio" roles is the best way to achieve this IMO"</span><div><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; "><br>
</span></div><div><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; ">Exactly! That's what I want. If A is present, always use it. If it's not, use B.</span></div>