If you want to see and hear exactly what the director saw in the mastering suite—and you have the hard drives to prove it—go REMUX. Your eyes and ears will thank you. Your hard drive budget… will not. Have you made the jump to 4K REMUX? Or are you happy with streaming quality? Share your home theater setup in the discussion below.

In the world of high-definition home theater, few terms carry as much weight—or cause as much confusion—as "4K REMUX." For purists who demand the absolute best picture and sound quality, REMUX is the holy grail. For casual viewers, it might just seem like a massive, inconvenient file.

So, what exactly is a 4K REMUX, and is it worth the gigabytes (or terabytes) it consumes? A 4K REMUX is a digital file that contains the exact video and audio streams from a commercial 4K Blu-ray disc, without any alteration or re-encoding.