Best speakers test sound video (10 -20000 Hz) - 15 minutes of linear amplitude, full range, bass, medium and treble - video spectrum and high quality audio - video Dailymotion
Speakers test sound (15-20000 Hz) - 5 minutes linear amplitude, full range, bass, medium and treble - video spectrum and high quality audio - video Dailymotion
![Photoactivation of PL projections to VS impairs avoidance. (A) Rats... | Download Scientific Diagram Photoactivation of PL projections to VS impairs avoidance. (A) Rats... | Download Scientific Diagram](https://www.researchgate.net/publication/346240563/figure/fig1/AS:963365815980032@1606695717824/Photoactivation-of-PL-projections-to-VS-impairs-avoidance-A-Rats-were-trained-in.png)