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The Product

What are the H1H Headphones Product Specifications

Heavys H1H Headphones - full Product Overview can be seen HERE


Full size around-the-ear headphone



Drivers per side

4 (2 low / mid range speakers, 2 high frequency tweeter)

Frequency range

5 Hz to 46 kHz / 5 Hz to 24 kHz as Bluetooth headset
THD at 100 dB SPL, 1 kHz: >0.05%


410 g / 14.5 oz

BT Version



SBC, AAC, aptX adaptive

Battery lifetime

up to 50 h

Noise Cancelling

High efficiency PNC combined with a mild ANC for lowest levels of perceived disturbance (Labeled HB: HellBlocker)


Wired Pure Passive, BT Passive, BT ANC, BT Transparent


According to IEC 62368-1

Voice Pick up

2 microphone end-fire array


Volume up / down, play / pause, next / previous song, take / decline / end a call


USB-C socket for charging and digital in

Do you have a built-in microphone?

We have not 1 but 5 built-in microphones perfect for voice calls and enhanced noise cancelation. Please note, voice calls and mics are designed to be available via bluetooth only (not via audio cable)

What are the different Heavys operation modes?

Passive Analog Mode - Analog cable connected with headphones off, no noise cancellation or button control, analog signal goes directly to the drivers. 

Analog Active Mode - analog cable connected with headphones on, signal goes to internal ADC, noise cancellation is available, but no controls.   

USB-C Passive Mode - USB-C cable connected with headphones off, no ANC or controls, Hi res uncompressed digital signal from USB-C to internal DAC only. 

USBC Active Mode - USB-C cable connected with headphones on, ANC and controls are available, uncompressed Hi res digital signal from USB-C to internal DAC. 

Bluetooth Passive Mode - Bluetooth connection without Noise cancellation.

Bluetooth ANC Mode - Bluetooth connection with active noise cancellation.

Bluetooth Transparent Mode - This mode lets you better hear your surroundings without removing your headphones.

Will there be a Heavys mobile app?

Certainly, we are currently developing an app that will include firmware updates and enable the management of specific headphone features and incorporate some exciting new advancements in the near future. The app will launch towards the end of Summer of 2024.

Can I connect Heavys to my iPhone or Android Phone?

Absolutely. Heavys comes Bluetooth enabled and you can easily connect it with any phone or device that supports Bluetooth.

What’s in the box?

With your purchase of Heavys Headphones, you will get a tech-packed brand new pair of Heavys black headphones. The headphones arrive with a triple-purpose USB-C cable that can be used for charging,  listening, and for Firmware updates.

If you want to listen in wired mode through an AUX connection, you can purchase our AUX cables as add-ons. Heavys offers 2 lengths of 3.5 to 2.5 mm AUX cables: normal length 1.3 meters (~4.25 ft) or extra long 3 meters (~9.85 ft), as well as a Silver Coated Premium Aux Cable.

Our Heavys Headphones Bundle includes Heavys H1H Headphones, Premium travel case, 1.3 meters (~4.25 ft) Aux Cable and a triple-purpose USB-C cable that can be used for charging,  listening, and for Firmware updates

Our Heavys Shells + Headphones Bundle includes everything in the regular Headphones bundle plus a pair of the selected custom Snap-On shells.

For accessories such as a travel case and cables, visit here: https://www.heavys.com/collections/frontpage

For Shells visit Here:

Does Heavys offer a Carry / Travel case

Yes, we do.

Our Headphone Bundles all come with a Premium protective And Eco-Friendly Travel Case.

If you bought headphones only you can still purchase the travel case on our online store.

Can I make phone calls with Heavys?

Yes, a built-in microphone for calls and voice commands is included.

What cables are included and what cables can we purchase as add-ons?

Cable included: USB-C to USB-C 1.4 meters (~4.59 ft for charging and wired mode listening & Firmware updates).

Cables you can purchase:

  • 1. SHORT AUX 3.5 to 2.5 mm 1.3 meters (~4.25 ft). - (Already included in the BUNDLE OPTION)
  • 2. LONG AUX 3.5 to 2.5 mm 3 meters (~9.85 ft
  • 3. SILVER-COATED Premium Aux Cable

How will Heavys sound when listening to other music genres?

Heavys headphones are designed to be great headphones at an affordable price for any music genre. They pack strong specs and technological innovations that help create a great all-around set of headphones. As we are geared for heavy music, the features complement that but you will have an excellent experience listening to any music. .

Are Heavys Wired or Wireless?

Heavys can be used and listened to in both wired and wireless modes. They support 5.1 BLE Bluetooth and can be wired in through USB-C or an analog 2.5mm to 3.5mm cable.

How will Heavys perform for Gaming

Heavys Sound will be perfect for Gaming, however the mics are digital so you will need an analog Mic cable to connect to most consoles.



How do I replace the shells?

The shell is attached by four grooves in the H1H headphones located on the outside of the cup. In order to detach the shell, place your thumb on one side for leverage and use your middle and index fingers on the other side to pull the shell off the cup.

In order to mount the new shell, place it in the same place as the old one and push until you hear a click.

What are Heavys Shells

Heavys Shells are an innovative way to personalize your Headphones with custom designs and artist collaborations. Shells utilize an interchangeable 'Mix & Match' method. You can collect as many shells as you want and swap them out through a simple snap-on system.

What shells designs are available?

Shells are designed to be interchangeable. You can collect multiple shells to customize your headphones as you please. Check out the available designs on the Shells Collection

Do you offer personal Shells customisation

At the moment, we don't offer shell customization services.

However, we add new designs and artists every month.

if you have specific bands or ideas in mind that you'd like to suggest to us, we would greatly appreciate your input. Please feel free to send your suggestions to partnerships@heavys.com, and we'll certainly consider them for future offerings or improvements.


Shipping & Taxes

When will my order ship and be delivered

Good news! Heavys are in stock and ready for immediate shipment! As soon as you place your order, we'll process it swiftly within 1-2 business days

Actual delivery times vary between countries. Please note that while our couriers will deliver the package as fast as possible, the import and customs process within your country may delay the delivery date and is out of our control

Does shipping costs cover local taxes and fees?

We include tax, duties and VAT for most countries for most orders, and it will be specified during checkout. In some cases, specific country duties, if applicable, will need to be reconciled directly as with any consumer electronic goods ordered online since every country has its own taxes and procedures.

Will you ship to Russia or Ukraine?

Unfortunately we currently can not ship to Russia and Ukraine.

Do you ship internationally?

Absolutely! We offer shipping to many countries worldwide. We ship to the United States, Canada, Australia and Japan. We also cover the entire European Union and the United Kingdom. So wherever you are, we've got you covered!



When will my order be shipped?

REGULAR ORDERS are shipped within 2 business days of placing your order.

You will receive an email with the tracking number as your order is ships.

PRE-ORDERS (only made before Nov 2023): Most H1H pre-orders were shipped. If you have pre-ordered and still have not received your order please contact us viasupport@heavys.com

What is your return policy?

Our return policy allows customers who purchased headphones from our website to return them within 14 days of receiving the order, as long as they are in new and unused condition with original packaging.

Refunds are issued for the purchase price minus any fees including shipping fees and are processed within 14 days to the original payment method after we receive the returned item.

Customers are responsible for return shipping costs and any customs fees for international returns.

We do not accept returns for damaged, customized, or heavily used headphones. The warranty covers defects within the warranty period.

Shipping Address

We ship to both residential and commercial addresses within the United States and internationally.

Please take note that we don't ship to P.O. boxes or APO/FPO addresses.

Do you offer Split Payments option?

Yes! You can use Shop Pay for payments in the US, or Klarna for payments in other countries. Paypal is available as well with payment options in some countries


Tech / Spec

Can I wear my glasses when using the Heavys Headphones?

Yes, you can wear your glasses with the headphones. However, to ensure good bass quality, the cushions should be positioned somewhat close to your ears, which may create some pressure. But don't worry, the pressure will be evenly distributed around your ears and the cushions are designed to be super soft for maximum comfort.

Are you going to implement LDAC support?

LDAC is not supported.

How is the battery life?

Our battery lasts 50 hours without ANC (Noise-canceling, aka Hell Blocker), and 40hrs with ANC.Like any electrical device, extreme cold may damage the battery, so we do not recommend taking the headphones out to temperatures below -20℃.

What is the earcup size

The depth at the rear side will be 28 mm (1.1 Inches) which should be enough for most ears.

How is the battery life in extreme heat?

At 55℃ (131 F) a full battery charge will last 90% time compared to a controlled temperature.

Does the USB cable include an analog or digital signal?

The USB-C socket is for charging and digital data exchange.  It is designed to be a digital input to the internal DAC. The analog input is a balanced 2.5mm 4-pole socket.

The built-in DAC will be driven by a Mac or PC,  an iPad with USB-C, or an Android Smartphone or Tablet using a USB cable. An iPhone or iPad without USB-C can be used with a dedicated adapter.

What Bluetooth version is used?


What is Heavys frequency range?

Frequency range: 5 Hz to 46 kHz.

What Codecs are supported?

SBC, AAC, aptX adaptive

Will they connect to a PC using the USB-C cable?


What is the THD?

THD at 100 dB SPL, 1 kHz: >0.05%*

Are Heavys wired or wireless?

You can use and listen to Heavys, both wired and wireless. Heavys supports 5.1 BLE Bluetooth but is also wired in through USB-C or AUX 3.5 to 2.5mm.

Will the ear pads be replaceable?

Yes, you will be able to order them from us and replace them by yourself. The head pad is planned to be replaceable, but you’ll need to ship the headphones to us. Keep in mind they are not available at this time.

Do You have a Frequency Response Graph

Frequency Response Graphs change depending on several non-objective parameters and we do not offer one at this time

How can I increase the Volume Further?

Please check Audio Normalization / Soundcheck Features on your music streaming app if using bluetooth. If you use AUX cable and still have this issue, please email support@heavys.com


Service / Warranty

What is included in my Warranty?

We offer a one-year limited warranty on all of our headphones, please review our full warranty page.

What replacement parts are available ?

The earpads foam is not currently available, however the shells are available for replacement.

The ear pads will be replaceable in the future, and you'll be able to order them from us. Additionally, the headpad is also planned to be replaceable, although you'll need to ship the headphones to us for that service. Please note that these replacement parts are not available at this time.