videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including 1998 Audio Art 2400 HO Car Amplifier Overviewed and Bench Tested Power Watts Volts RMS, Kenwood KDC-M3001 Subwoofer flex test 300w mini amp