Douk Audio A5 is a $99 class D amplifier that has two unique features:
1. adjustable high pass filter
2. glass lid for easy op amp rolling.
Get it on Amazon: https://amzn.to/410eA0c
Get it on Aliexpress: https://s.click.aliexpress.com/e/_oFaj7xb
Douk Audio website: https://doukaudio.com/products/douk-audio-a5-tpa3255-stereo-amp-hifi-audio-class-d-amplifier-high-pass-filter
Also see my MuzgAudio opamp review - https://youtu.be/LvNzwuyro28
00:00 - Intro
00:45 - Specs
03:59 - High pass filter
05:36 - Op amp rolling
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