![amplifiers - Using both outputs (internal speakers and headphones) on digital pianos - Music: Practice & Theory Stack Exchange amplifiers - Using both outputs (internal speakers and headphones) on digital pianos - Music: Practice & Theory Stack Exchange](https://i.stack.imgur.com/lKP6I.png)
amplifiers - Using both outputs (internal speakers and headphones) on digital pianos - Music: Practice & Theory Stack Exchange
SOLVED: No audio, and no "Internal Speakers" in SystemPrefs>Sound>Output - MacBook Pro 13" Retina Display Late 2013 - iFixit
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