Razer is known for its gaming peripherals, but the company steps away from its typical ESports lineup with the Razer Hammerhead Duo wired earbuds. These in-ears aren’t just limited to gamers. While they offer little in the way of features, you’re making an investment in sound quality, rather gimmicky add-ons.

Editor’s note: this Razer Hammerhead Duo review was updated on May 5, 2021 to include a microphone score based on our reader feedback poll. Thanks for voting!

Who should get the Razer Hammerhead Duo?

The Razer Hammerhead Duo wired earbuds looped through a buckle on a wood surface.

The earbuds retail for ~$60 and are easy to toss into a bag without occupying much space.

  • Aesthetically, these earbuds are targeted toward gamers, but the accurate frequency response and ergonomic design make them appealing to all audiences.
  • Listeners who value accurate sound reproduction and a lightweight form factor will appreciate the Razer Hammerhead Duo.

What’s it like to use the Razer Hammerhead Duo?

The back of the Razer control module on a Lilac Samsung Galaxy S9.

The Razer Hammerhead Duo features an in-line microphone but lacks any cable cinching mechanism.

The Razer Hammerhead Duo is a basic pair of wired earbuds, which isn’t said to disparage them: aluminum housings keep them lightweight and durable, while the braided cable combats tangling. Due to the angled nozzles and soft silicone sleeves, wearing the earbuds for extended periods of time is comfortable. Granted, I do wish the ear tips weren’t such dust magnets.

The earbuds use dual-drivers: one is tasked with reproducing bass frequencies while the other handles midrange and treble frequencies.

The omission of any cable management at the Y-splitter is disappointing, though, especially for $60 earbuds. What’s more, the stress relievers, particularly the one at the base of the L-shaped 3.5mm jack, aren’t very effective. Instead of ending in a plastic nub, it would be beneficial for a softer material like silicone to taper off and give the cable more support without sacrificing flexibility.

The Razer Hammerhead Duo earbud compared to the OnePlus Bullets Wireless 2 earbud.

The Razer Hammerhead Duo (left) earbud housings are slightly larger than the OnePlus Bullets Wireless 2 housings (right). The latter, however, contains three drivers rather than two.

Other than that, the Razer Hammerhead Duo ‘buds are a pleasure to use. The name is derived from the dual-driver unit inside each earbud. One driver handles bass frequencies while the other is responsible for mids and treble reproduction. Listeners reap the benefits of this technology by enjoying clear, accurate playback.

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An integrated mic and remote breaks up the right cable. Its sleek design is at the detriment of functionality: the buttons rest nearly flush against the module. Although it takes one or two tries to find the correct button, the option to skip tracks, adjust volume, take calls, and access your respective virtual assistant is convenient.

How do you connect the Razer Hammerhead Duo to your phone?

The L-shaped 3.5mm headphone jack inserted into a Samsung Galaxy S9 in Lilac.

The L-shaped jack connects to any 3.5mm input.

Since these are wired earbuds, there’s no need to pay attention to high-quality Bluetooth codecs. The Razer Hammerhead Duo return users to simpler times of plug-and-play. Of course, if your phone doesn’t have a headphone jack, you’ll need a dongle.

How do the Razer Hammerhead Duo sound?

If you came to Razer looking for bass-heavy earbuds, look elsewhere. These have an accurate frequency response, which means they work well with a variety of musical genres and podcasts alike. As good as sound quality is, isolation falls short. Ambient noise easily permeates the earbuds which can lessen audio quality, bass notes in particular.

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Lows, mids, and highs

The Backseat Lovers’ song Pictures features reserved vocals and a controlled drum beat interspersed with guitar riffs. It opens with a single strum of an F chord to underscore Josh Harmon’s vocals. The first verse is relayed clearly. Thanks to the dual-driver technology, notes picked off the bass guitar are easy distinguishable from the accompanying electric guitar.

The second chorus at 2:24 highlights the Hammerhead Duo’s shortcomings: when multiple loud instruments are introduced the earbuds aren’t quite able to maintain the pleasing clarity heard during the intro. Harmon’s voice is masked by the electric guitars. This is avoided with the OnePlus Bullets Wireless 2, which use a triple-driver array.

Is the Razer Hammerhead Duo good for phone calls?

Razer Hammerhead Duo microphone frequency response.

The microphone reproduces voices well but is prone to proximity issues.

The Hammerhead Duo is fine for phone calls so long as the microphone doesn’t brush against any clothes. This happens intermittently due to its low placement. What’s more, it doesn’t effectively cancel wind noise. If you happen to take calls while sedentary, though, voice transmission is clear with minimal echo.

Razer Hammerhead Duo microphone demo:

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Should you buy the Razer Hammerhead Duo?

For $60, the Razer Hammerhead Duo is a great pair of wired earbuds. Clarity is generally impressive and the understated design is appealing.

The Hammerhead Duo mic remote on a lens cap with a Nikon lens in the background.

The integrated mic and remote module looks sleek but it can be difficult to find the buttons on the first try.

I wish there was some way to cinch the left and right cables together and that a carrying case was provided. Those are small features to forfeit for the sound quality afforded by these, though. There’s also a Nintendo Switch edition of the Hammerhead Duo available soon. If you want a pair of earbuds with greater clarity and a stronger bass response, get the Massdrop x MEE Audio Pinnacle PX.

Razer Hammerhead Duo
All prices listed in USD unless otherwise specified. Prices may change over time, and vary by region. Unfortunately, we cannot list Amazon prices on the site, as they vary greatly by currency.

What about the Razer Hammerhead True Wireless Pro and True Wireless?

The Razer Hammerhead True Wireless Pro earbuds sit atop a PlayStation 4 gaming console.

Razer, Comply, and THX all banded together to make these gamer-friendly earbuds.

The Razer Hammerhead True Wireless Pro and Hammerhead True Wireless look very similar to the wired Hammerhead Duo, and their USB-C Hammerhead alternative, but the technology is completely different. Razer’s true wireless earbuds connect via Bluetooth, which is great if your phone lacks a headphone jack. Rather than the button controls of the wired Hammerhead Duo, the true wireless models boast touch controls, which work reliably well. The charging case is portable, and makes it easy to stow the buds when inactive.

Not all is well and good with the Razer Hammerhead True Wireless and True Wireless Pro though: the build quality is lacking, and sound isolation is just okay. The Hammerhead True Wireless Pro has an advantage over the Hammerhead True Wireless, because the Pro variant features ear tips that seal to the ear canal. This is necessary because the Hammerhead True Wireless Pro also has noise cancelling, which is dependent on effective passive isolation performance.

A chart depicts the Razer Hammerhead True Wireless Pro's active noise cancelling and passive isolation performance. The ANC is okay, and affects midrange frequencies well enough.

These measurements were collected with the Comply memory foam ear tips.

Razer’s wireless earbuds support Gaming Mode, which is nice but it doesn’t make much of a difference in latency. It may be noticeable for video playback though, especially if you own an Android phone that performs poorly when streaming over the AAC Bluetooth codec. If you must go the true wireless route, we highly recommend springing for the Razer Hammerhead True Wireless Pro model. Even still, there are better true wireless options around.

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Razer Hammerhead Duo