Two Top-of-the-line Closed back headphones - Sennheiser HD820 and the Sony Z1R go head to head. Let's see who comes out on top! Amazon Link to Z1R - https://amzn.to/2QzNMj0 Amazon Link to HD820 - https://amzn.to/2uvWA0Y SOCIAL MEDIA 📘 https://www.facebook.com/Joshua-ValourYT 📷 https://www.instagram.com/joshua.valour 🔔 https://twitter.com/JoshValour 💸PATREON💸 https://www.patreon.com/JoshuaValour Early Access & AMA 1 Simple Tier ⭐HALL OF FAME⭐ Headphones 1. Hifiman Arya - https://amzn.to/2WNGzQr 2. Audeze LCD-X - https://amzn.to/2WpMbRE 3. Massdrop 58X - https://massdrop.7eer.net/vmYeN 4. Koss KSC75 - https://amzn.to/2ENisar 5. (Studio Pick) - DT1990 - https://amzn.to/2WgWUZA Amps 1. Massdrop THX 789 - https://massdrop.7eer.net/0BoxP 2. Liquid Spark - https://amzn.to/2WhyUFC 3. JDS ATOM - https://jdslabs.com/product/atom-amp/ 4. (TUBE PICK) - Darkvoice - https://amzn.to/2MuexW4 5. (Power Pick) - http://www.audio-gd.com/Pro/Headphone... 📫SENDING FOR REVIEW??📫 Email Me - JoshuaValourYT@gmail.com #sennheiser #Hifi #HD800S *As an Amazon Associate I earn from qualifying purchases*