Naim Audio Uniti Atom Headphone Edition

Naim Audio products purchased new from an authorized U.S. Naim dealer are covered by the manufacturer’s two-year limited warranty against defects in materials and workmanship. Proof of purchase from an authorized dealer is required for warranty service. Warranty coverage is subject to Naim Audio’s current U.S. warranty terms and conditions.

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Recommended Component 2025 – Stereophile

"Used as a D/A preamplifier, the Atom impressed HR [Herb Reichert]: It reproduced the body and reverberant character of a piano as graphically and completely as his Rogue RP-7 preamp sourced by the dCS Bartók. 'That, folks, is saying a lot,' he wrote… After five weeks of auditioning the Uniti Atom HE with a variety of headphones, HR concluded that its best and most obvious trait 'was how gracefully and insightfully it danced through one musical genre after another. It was never not enticing. It was never not engaging. It never disappointed.'"

- Stereophile, March 24, 2025

Product of the Year 2021 – Stereophile

"Naim Audio's Uniti Atom HE was that rare audio product that charmed and impressed me completely. It seemed to excel at everything. It was always a joy to use, and I felt sad as I carted it to FedEx."

- Herb Reichert, Stereophile, August 24, 2021

"Recommended" Award – headfonia.com

"The day has come where you can genuinely enjoy listening to all your favorite music, without needing a single source device plugged into it, or even a computer – simply add your streaming platform of choice into the Naim app, and you’re off to the races. Add to this the fact that its headphone performance is absolutely terrific, and you have a stone-cold winner on your hands."

"It rewrites the value equation, and then some. Trust me, you’re not going to want to buy another ‘box’ to park on your desk for a long, long time. An unreserved recommendation, the Naim Uniti Atom Headphone Edition goes straight to our ‘Recommended’ list."

- headfonia.com, May 18, 2021

"There are any number of quality headphone amps on the market, as well as great streamers. But Naim's Uniti Atom Headphone Edition stands out for combining the two in a package that delivers style, ergonomics, and superb sound at a very reasonable price. That should prove appealing for both young music lovers and grizzled audiophiles who want to set up a self-contained, compact system for headphone listening in a private space."

"But where the HE truly shines is when it's asked to do more than that. Its excellent internal linestage and volume control allow it to drive the very best powered speakers when called upon to do so. Later, if asked to drive a reference-class power amp while supporting top-shelf digital and analog soures, the HE is capable of doing so at a level within glancing distance of far more expensive gear."

In sum, the Naim Uniti Atom Headphone Edition will get you started down the audiophile road and will take you as far down as you'd like it to go.

- Alan Taffel, The Absolute Sound, May/June 2022

"The Atom HE is an excellent addition to the Naim Uniti range – something genuinely different in offering a streaming preamplifier with a top-quality headphone amplifier. Use it alone with headphones, with power amps, or with active speakers, and you have a system just as versatile in its streaming abilities as the Mu-so, more versatile in its connections, and far higher in its hi-fi quality. And it comes with the best knob in hi-fi. It’s a big thumbs up from us."

"The new Atom’s headline ability is headphone playback, but don’t underestimate its value as a preamplifier. It’s a classy and versatile addition to Naim’s Uniti range."

- What Hi-Fi?, May 2021

"The Naim Uniti Atom Headphone Edition is an excellent-sounding all-in-one digital music streamer."

"It stands alone in the market thanks to its gorgeous design and musicality. While you could assemble a system that sounds as good, it’s difficult to match what the Atom offers as a complete package."

- Lewis Leong, TechRadar, July 2021

"The Naim Uniti Atom Headphone Edition proves that when you focus on the key thing that makes your product unique — and wrap already proven hardware and software around it — you’re probably going to create something of value."

"This is one piece of audio hardware that won’t be obsolete anytime soon and has this very experienced headphone reviewer completely smitten."

- Will Jennings, ecoustics.com, December 20, 2022

"I’ve come across the first device that I’ve ever encountered that puts up a compelling claim to be the sole device that you’ll ever need to park on your desk to enjoy stunning headphone listening – and all with an utterly seamless user experience to boot: the brand-new Naim Uniti Atom Headphone Edition."

"The Naim Uniti Atom Headphone Edition is the first device that’s come along that has genuinely made me believe that the ‘future is here’ when it comes to how we can enjoy listening to headphones. I cannot overstate how impressive the total product experience of this device is, from the first opening of the box to the time that you have to switch it off and say “good night” to it at the end of the day. Naim has absolutely knocked it out of the park in terms of building a one-box solution that provides you with the ability to simply grab a pair of headphones, and start playing music into them from any number of sources – and that’s selling it short."

- Matty Graham, Headfonia, May 18, 2021

"There's no way to soften it, Naim Uniti Atom HE is a premium product at a premium price. Retailing at $3,290—it’s not cheap! But for the price you’re getting luxury-tier quality in hardware, design and sound quality built to keep pace with the best headphones made today."

"Naim has proved once again that it has one foot in today's Internet streaming technology with the other firmly planted in innovative amplifier topology, and it's a great combination in audio today. But what I personally love best about Uniti Atom HE are the little details in usability that pushes the Internet streaming technology out of the way and simply encourages my love of musical exploration and discovery every time I turn it on."

- Wayde Robson, Audioholics, May 11, 2021

"As its name suggests, Naim Audio is marketing the Uniti Atom Headphone Edition as a serious headphone amp that’s also a DAC/preamp and streamer – but it’s actually able to fulfil all these roles very capably and in no particular order."

"...this little box combines excellent real-world functionality with super sound at the price. This applies across all sources and whether it’s being used as a preamplifier or a headphone amp – which is no small feat."

"A highly talented all-rounder with a style and charm of its own, it’s an essential audition if you’re after a compact, quality sound solution."

- David Price, StereoNET UK, May 11, 2021