To see a technical breakdown of how these 2015 hi-res masters compare to original 80s pressings, check out this audio analysis: Iron Maiden Remaster Project 2015 - Behind The Scenes Iron Maiden YouTube• Apr 27, 2015 Iron Maiden Remaster Project 2015 - Behind The Scenes

Some fans argue that the 2015 remasters "kill the dynamics" compared to original 1980s pressings or the rare Japanese "Black Triangle" CDs , which offer much higher dynamic range.

Widely considered the biggest winner of the remaster project. The "hazy" production of the original is sharpened, making the guitars more prominent and the drums punchier.

The 2015 High-Res versions are generally preferred over the 1998 "Eddie’s Head" CDs, which were criticized for harsh EQ and losing the original tracklist flow.

The primary benefit of these high-res masters is a noticeable boost in clarity and instrumental separation.