QUAD405 Audio Amplifier Clone Kit (Aliexpress)

QUAD405 audio amplifier clone kit from Aliexpress. First in Quad405 series. Running tests with the bench power supply, voltage limited to 32V. Power @ 32V, THD + Noise, THD, Frequency Response, Square wave response. Big shout out to 'Jake' from thestuffmade YouTube channel for providing the Audio Analyser Suite software used in this video.