Ruggedly built, with lightweight but durable magnesium alloy parts, the HDJ-1500s are perfectly designed to endure the rigors of frequent professional use. And the urethanememory foam ear pads hug the ear for maximum comfort even during the longest sets. The HDJ-1500s copper-clad aluminum wire voice coils guarantee accurate reproduction of deep base notes and superbly balanced sound across all frequencies. And the exclusive soundproofing chamber eliminates outside noise so you can easily monitor the beat – even in the loudest of venues. With high-quality components, the HDJ-1500 delivers perfectly balanced sound across all frequencies. The lower impedance offers even greater sensitivity, so you get pristine sound reproduction every time, regardless of what device the HDJ-1500s are hooked up to.