Hollis Johnson/Business Insider
The Sennheiser HD 820 headphones are the newest flagship from the German audio company.
They're high-end, and don't come cheap - the price is $2,400.
At first, it might seem insane to you to spend $2,400 on a pair of headphones, and then even more money for an amplifier to power them. "How good could they possibly sound?" you might wonder.
The answer is simple: You get what you pay for.