I don&#x27;t think your experience is representative. The wired headphone business is booming.<p><pre><code>     If am doing high-fidelity listening using good headphones, I&#x27;m not playing the audio from my phone anyway; I am at home with my proper audio equipment.
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Audio quality over headphones is typically a thing that Apple does really well. Objectively measured, the iPhone&#x27;s DAC and headphone amp are darn good: <a href="http:&#x2F;&#x2F;www.kenrockwell.com&#x2F;apple&#x2F;iphone-6-plus.htm#measurements" rel="nofollow">http:&#x2F;&#x2F;www.kenrockwell.com&#x2F;apple&#x2F;iphone-6-plus.htm#measureme...</a><p>The built-in amp may be lacking in power if you&#x27;re using hard-to-drive headphones.<p><pre><code>    Bluetooth [...] high-fidelity
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I&#x27;ve read that Bluetooth headphones that support the AAC codec sound great (theoretically this can avoid transcoding if your music is AAC) although they&#x27;re few and far between.