May 28, 2026, Tokyo, JAPAN – COVER Corporation (Minato-ku, Tokyo; CEO: Motoaki Tanigo) is pleased to announce a new collaboration between HOLOSTARS English talent Banzoin Hakka and HEAVYS, which is now available for purchase.

Get your set here: https://www.heavys.com/products/banzoin-hakka-official-shells

The HEAVYS x Banzoin Hakka shell is the first collaboration between HOLOSTARS English and HEAVYS, with Banzoin Hakka being specifically chosen for his metalhead values and heavy music that perfectly complements the unique tuning of these headphones. Inspired by live concerts and fierce energy, Banzoin Hakka’s personality has been brought to life and printed onto the interchangeable shells.

For more information, please visit the official HEAVYS social media accounts and official website.

HEAVYS Official Website: https://www.heavys.com
HEAVYS Official Instagram Account: https://www.instagram.com/heavysaudio

 

Product Details

HEAVYS H1H headphones come with interchangeable shells so you can represent your favorite bands, with Banzoin Hakka now being added to that prestigious list. The shells and headphones are sold separately or part of a bundle and come packaged in a velvet bag to keep them in pristine condition.

 

Special Tuning

HEAVYS headphones have been developed by former Sennheiser Chief Engineer – Axel Grell, to create a system of multi-drive speakers and immersive 4D sound specifically designed for listening to heavy music like Banzoin Hakka’s.

The tuning and patent-pending psychoacoustic technology creates a natural sound field and front-oriented listening experience that is perfect for listening to music and getting immersed in games.

 

About HEAVYS

HEAVYS is the world’s first audio company engineered specifically for heavy music, built for fans who treat music as identity, not background noise. Designed from the ground up with a patented 8-driver system and guided by legendary former Sennheiser chief engineer Axel Grell, HEAVYS is built to handle the density, speed, and intensity of heavy music with greater separation, depth, and impact. Beyond the sound, HEAVYS is building a deeper connection between fans and artists through officially licensed interchangeable Shells, giving fans a way to wear the bands they love while directly supporting artists through ongoing royalties.