You will now be subjected

You will now be subjected 
To various frequencies and sounds
Here’s 55 Hz
That’s a check for the bass

Let’s move on to 110 Hz
Let’s speed it up: 220 Hz
440 Hz
880 Hz
1760 [bad word] Hz
Audiometric program, phase one

Welcome to the second phase of our audiometric program
Now, we can fully test the whole set-up
First we go left…
To the right…
Low pass filter
High pass filter
The power button

We have come to phase three
We perform a proper speaker check
Using hardstyle music