*MUST WATCH IN 1080p AND USE HEADPHONES*
How high can you hear? Take this ‘test’ to see how old your ears are!
SUBSCRIBE (it’s free!): http://bit.ly/10kWnZ7
NOTE: The 19,000 Hz frequency has been lost due to YouTube compressing the file.
Written and created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz).