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This model is a bit of an odd duck but in a good way.

The line that its a part of, the HD 600 series, consists entirely ofopen-back headphones.

Sennheiser HD 620S

Senior Audio Editor Becky Scarrott wearing Sennheiser HD 620S

These are great at outputting high-quality audio.

However, they’re not so good at blocking outside noise, making them a poor fit for travel.

The HD 620S is swimming against the current by being a pair of closed-backheadphones.

Sennheiser HD 620S being worn

Senior Audio Editor Becky Scarrott wearing Sennheiser HD 620S

Devices with this design are much better at stopping noise from leaking in.

The company states the cup covers are reinforced with steel that acts as an efficient isolator.

Each one houses a 42mm dynamic transducer with a 38mm diaphragm engulfing the listener in a bubble of sound.

Sennheiser HD 620S being worn while meditating

Alongside them are 150-ohm aluminum voice coils ensuring clear vocal clarity and accurate output.

The result is a pair of high-performing headphones able to cover a wide range of audio.

A comfortable fit

One of the issues with closed-ear headphones is they can be uncomfortable to wear.

Becky Scarrott wearing Sennheiser HD 620S

Senior Audio Editor Becky Scarrott wearing Sennheiser HD 620S

Their isolative design means air isnt flowing which can lead to hot and sweaty ears.

The HD 620S, however, is also focused on delivering a comfortable experience more akin to open-ear headphones.

Like the cup covers, the headband is made of reinforced steel for long-term durability.

Theyre also lightweight with the whole package clocking in at 670g (about 1.5 pounds).

Preorders for the Sennheiser HD 620S are currently open.

you might purchase a pair for$349.95/299.99/AU$599.95.

The shipping date is set for June 6.

With a purchase, youll receive a six-foot cable (1.8 meters).

But will it be good enough to be a Master of All?

At the very least, it’ll come close.

So far, theyve made a good first impression on Becky.

Whether or not the HD 620S are the start of a new trend remains to be seen.

In the meantime, check out TechRadar’s list of thebest headphones for 2024.

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