Personalize & Upgrade your HEAVYS with the Official Testament Shells

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Testament 'Souls of Black'

Testament 'Souls of Black'

$289.00 USD
$338.00 USD $289.00 USD
-14% Sold out
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* Free Express Shipping Over $249 * (choose at checkout)

Shells are officially approved by the artists and designs are available in Limited quantities. Mix & Match as many as you'd like to style & personalize your Headphones.

'Shells + Headphones Bundle' Includes:

+ Heavys H1H Headphones

+ 2 Testament Limited Edition Shells

+ 2 Heavys Original Shells

+ AUX Cable

+ USB-C Charging Cable

+ FREE Premium Hard-Shell Travel Case

'Shells Only' Includes:

2 Testament Limited Edition Shells for Heavys H1H Headphones

*Shells snap on the external side of the ear cup

Headphones Product Details

+ World’s first headphones built for Metalheads

+ 8 Drivers with patented placement creating optimal sound fields & frequency range coverage

+ Immerse in a Concert-like sound & feeling

+ 5 microphones
+ 50 hours of battery life
+ Bluetooth 5.1 plus a wired option
+ HellBlocker™ active noise cancellation
+ Transparent mode for speaking
+ Designed for comfort

Free Xpress Shipping Above $249 USD

+ 30 Day 'no questions asked' return policy

+ Free Global Shipping on $199+ Orders

+ Free Express Shipping on Shells Bundles and orders over $249 USD

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Trusted By 40,000+ Metal Fans


Experience Metal Like Never Before

Multiple-Driver Tech

Experience immersive audio with the precision of 8 drivers, covering multiple frequency ranges for superior listening of exceptional clarity, richness, and depth

Natural Sound Field

Heavys patented technology built by legend Axel Grell, is powered by 8 speakers with unique placement, generating the most optimal sound experience possible

heavys-headphones-features

World Class Features

Equipped with active noise cancellation, transparent mode, super soft earcups, wired/wireless options, prolonged play time, 5 built-in microphones, USB-C

Top Rating from SoundGuys!

Heavys scored over all competitors in the Over-Ear Headphones Category

Elevate my Sound

Enhance Your Listening Experience Inside & Out

One of the most influential thrash acts to emerge from the Bay Area, Testament, who initially operated under the moniker Legacy, helped lead the genre's second wave in the late 1980s. World known as one of the biggest names in Metal for decades.

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“ These headphones are incredible and have changed the way I listen to music ”  - Josh M.

How HEAVYS Shells™ work?

Collect Shells to style & personalize your Heavys Headphones

Our innovative snap-on shells are the world's first replaceable headphone earcups, allowing you to easily mix and match designs in three simple steps:

Detach -> Attach New -> Headbang 🤘

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Heavys Shells™ Collection

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