The Nord Buds 4 Professional is one more pair of wi-fi earbuds in OnePlus’s rising and complicated lineup. These are essentially the most premium earbuds within the firm’s low-end lineup, however under the non-Professional numbered lineup and Professional numbered lineup, and in addition the non-numbered Professional lineup…. Anyway, it’s finest to not get an excessive amount of into the weeds with this, as at this level it’s uncertain if even individuals at OnePlus can preserve observe of those.
The Nord Buds 4 Professional are nonetheless aimed toward being an inexpensive pair of wi-fi earbuds, however with lots of the niceties that you just now anticipate in additional premium earbuds, comparable to lively noise cancellation, high-resolution audio, contact gestures, AI translation, and extra. All for INR 3,999 ($42).
Design and luxury
Beginning with the design, the Nord Buds 4 Professional characteristic a brand new case design with a well-known form for the earbuds. The case appears like OnePlus’s older Professional sequence fashions, however as a substitute of opening horizontally, it’s simply the highest that comes off. The earbuds are available in two colours, Radiant Grey and Raven Black.
The construct high quality and end of the case are first rate for the worth. It has a clean matte texture to it that resists fingerprints. The matte texture can also be carried over to the earbuds. Nonetheless, right here, it finally ends up feeling a bit low cost and provides an disagreeable sensation in your ears.
This unpleasantness is additional amplified by a budget ear suggestions employed right here. They really feel plasticky (and in addition simply icky), and don’t create an excellent seal like higher-quality ear suggestions.
That mentioned, the earbuds are in any other case fairly comfy. I used to be in a position to put on them for a number of hours at a stretch with out experiencing any fatigue.
The earbuds are IP55 mud and splash-resistant. Nonetheless, this doesn’t apply to the case.
Software program and options
The software program expertise is easy. You possibly can both entry issues by way of the HeyMelody app for Android and iOS, and the latter model will also be put in on a Mac.
There’s a good quantity of customizability right here, together with for the ANC, audio, and contact gestures. It’s also possible to do issues like flip off the audio cues in the event that they trouble you. Sport mode switches the earbuds to a low-latency mode, Spotify Faucet helps you to begin enjoying from Spotify immediately with a devoted gesture, and Sound Area performs completely different ambient sounds from the app.
HeyMelody app on Android
There may be additionally an choice to toggle the Hello-Res mode. That is off by default when utilizing LHDC, and limits the earbuds to 24-bit/48kHz and decrease bitrates. When enabled, the earbuds can go as much as 24-bit/96kHz, and as much as 900kbps (not 1000kbps, as OnePlus falsely advertises), though this must be performed manually by way of Android’s developer mode settings, because the default even in Hello-Res mode remains to be 24-bit/48kHz.
Efficiency
Audio high quality
The Nord Buds 4 Professional help SBC, AAC, and LHDC codecs over Bluetooth 6.0. They’ve 12mm dynamic drivers with a titanium coating. OnePlus claims these drivers present 100% extra energy than these on the earlier technology Nord Buds 3 Professional. The corporate additionally advertises these as bass boosted, so there must be no actual surprises in retailer if you hear them.
With that mentioned, I used to be genuinely impressed by what I heard after I put these on for the primary time. A second of fact right here — and this actually is the bitter fact — however other than a handful of exceptions, I wouldn’t willingly take heed to OnePlus’s audio merchandise longer than it takes to evaluation them. There has virtually all the time been a crudeness in the best way they’re tuned, as if it have been an absolute afterthought. You would sense an entire confidence within the notion that whoever buys them wouldn’t care or know any higher, so there was no must trouble. That is completely different from Oppo and even Realme audio merchandise, that are usually tuned higher.
The Nord Buds 4 Professional did break that mildew for me. Leaving the bass apart for a second, I used to be happy with how refined and tasteful the remainder of the frequency response tuning was. The mids come by way of splendidly throughout the vary and have a superbly mellow timbre to them. The highs usually really feel good with out an excessive amount of piercing element or murkiness. You’re feeling like you’re getting greater than the crux of what you’re listening to, and that there’s a real try to current the data in a restrained however refined approach.
I say restrained as a result of very often producers get caught up within the concept of highlighting one facet or the opposite of the sound. That is how you find yourself with ridiculous peaks or troughs within the frequency response, and a sound that’s simply unnatural because it’s simply not how your ears anticipate to listen to issues. The Nord Buds 4 Professional presents no such main audible deviations from what one might arguably name the bottom fact, so it’s infinitely extra pleasing to take heed to than even a few of the firm’s costlier fashions.
Sure, there’s a ton of bass within the sound, and it’s the elephant within the room. Nonetheless, the bass by no means encroached a lot on the remainder of the frequency spectrum and is usually remoted to its area. It’s additionally simply type of humorous; there’s a lot of it that it all the time catches you off guard when it crops up in some tracks, and you’ll’t assist however be amused by it. It was by no means too distracting, and it knew the right way to work with the remainder of the sound quite than overwhelming it.
I used to be additionally stunned by the spatial traits of the sound. The imaging efficiency is sweet, so the sound usually feels three-dimensional with distinct positioning of various parts. It’s not tremendous spacious, however you may allow the Spatial Audio setting if that’s what you really need.
General, I used to be drastically impressed by the sound of the Nord Buds 4 Professional. It’s equal elements enjoyable and restrained, and is aware of the right way to wield that steadiness. To assume this could come from one of many extra inexpensive fashions within the firm’s lineup is intriguing. One would hope that this wasn’t only a coin flip and that maybe lively efforts have been made to steer issues in the precise route.
Microphone high quality
The Nord Buds 4 Professional have good microphone efficiency. The sound is obvious and of excessive sufficient high quality for audio and video calls in a quiet room.
In a loud surroundings, the Nord Buds 4 Professional impress with their background noise discount, and the voice stays distinct, if a bit quieter.
Noise cancellation
The Nord Buds 4 Professional have lively noise cancellation, and the corporate claims as much as 55dB of noise cancellation in a 5000Hz vary. It’s mentioned to be 200% higher than that on the Nord Buds 3 Professional.
In my expertise, the ANC on the Nord Buds 4 Professional wasn’t that good. Not as a result of it isn’t efficient, however due to the best way it really works.
You get three ranges of ANC, together with auto. The primary two settings provide a static degree of cancellation, whereas the best mode can differ its depth based mostly on the ambient noise.
All three modes work by shifting a few of the noise to greater frequency bands, however that is essentially the most noticeable on the Excessive preset. Switching from Reasonable to Excessive ends in a notable improve in high-frequency noise, even because the low frequencies get quieter. This may really make the Excessive mode much less efficient at occasions than the Reasonable mode, because the added noise in Excessive is less complicated to note and extra distracting. That is true for many reasonably noisy environments.
It’s solely in extraordinarily loud situations that the Excessive preset switches gears to stronger types of noise cancellation, at which level a few of the high-frequency noise goes away. At this level, the Excessive preset can appear spectacular, however it might actually solely do that in very loud environments, and if the noise degree falls under a sure degree, it as soon as once more turns into considerably ineffective.
This annoying variability is what makes it onerous to be glad with the ANC on the Nord Buds 4 Professional. The Excessive preset ought to actually simply provide the best degree of ANC it’s able to, quite than turning into one more Auto mode. If somebody desires much less isolation, they’ll all the time use the decrease two presets or use the precise Auto mode out there. Having the best preset do broad vary changes, to the purpose the place it may be worse than a decrease preset, is simply unhealthy design.
It’s additionally value noting that a budget ear suggestions have an effect on the ANC efficiency, and the ANC effectiveness might have been a lot greater had the ear suggestions been of a better high quality.
Lastly, the transparency mode works moderately nicely. It’s not essentially the most pure or essentially the most revealing-sounding mode we now have examined, nevertheless it will get the job performed.
Latency
The Nord Buds 4 Professional have good latency efficiency. By default, it really works simply tremendous for video content material, since fashionable gadgets modify for the delay. Gaming was additionally first rate, and issues may be improved additional with the sport mode.
Oddly, the sport mode additionally impacts the audio high quality and allows a spatial audio impact of types. There’s a setting to disable it, nevertheless it didn’t appear to do something.
Connection
The connection efficiency on the Nord Buds 4 Professional was excellent. Nonetheless, there may be one factor that I’d prefer to convey up on high of the issues talked about within the software program part.
As talked about earlier than, the earbuds don’t go as much as the complete 1Mbps bitrate with LHDC, irrespective of which gadgets I attempted them with. The very best doable is 900kbps, and it’s even decrease when you don’t allow the Hello-Res mode. In fact, you even have to do that by way of the developer mode, and never one thing that simply occurs mechanically.
What I wished to focus on right here is that not a single considered one of OnePlus’s personal gadgets can keep excessive bitrates with LHDC or LDAC, even with its personal earbuds. All of the gadgets I attempted, together with some flagship fashions, might do as much as 500kbps with these earbuds. I needed to depend on a trusty outdated Nothing Cellphone (2), which I do know has adequate Bluetooth to constantly hit the best bitrates with LHDC and LDAC with each gadget I examined, to evaluation these earbuds. And that’s after I realized even the earbuds don’t hit the utmost marketed 1Mbps.
OnePlus severely wants to take a look at the Bluetooth efficiency of its telephones and tablets. Not with the ability to deal with over 500kbps at a one-foot distance from the paired gadget is embarrassing. To not point out, they nonetheless don’t help true lossless codecs like aptX Lossless, most likely due to how unhealthy their Bluetooth is with present codecs.
Battery life
The Nord Buds 4 Professional have a claimed battery life of seven hours with ANC on and 13 hours with ANC off when utilizing AAC. With LHDC, the ANC on quantity drops down to six hours, with no claimed ANC off determine.
The testing right here was centered on LHDC set to 24-bit/96kHz, 900kbps. With these settings, I bought 9 hours and 17 minutes with ANC off, and simply over 6 hours with ANC on. The case holds about one other three full costs for the earbuds, so you may get near 30 hours of whole use with a full cost.
Conclusion
The Nord Buds 4 Professional are a comparatively inexpensive pair of earbuds, which is why it’s onerous to evaluate them too harshly. As such, a few of the plasticky construct high quality and low cost suggestions may be excused. The ANC can also be nothing to jot down house about, not as a result of it’s incapable of being good, however as a result of it’s poorly configured. If OnePlus might repair the Excessive preset, we could have correctly good ANC on our fingers, a minimum of for the phase.
What I did discover unreservedly pleasing was the audio high quality. The mellow, soothing tonality was a pleasure to take heed to, and I wasn’t even bothered a lot by the bass this time. I do nonetheless assume the cheaper Realme T200 that we reviewed earlier sound notably higher, however these are additionally significantly worse in each different approach.
On high of the sound, the earbuds even have good consolation, good microphone efficiency, dependable connectivity, and first rate latency. The battery life also needs to be greater than sufficient for many customers.
All in all, a reasonably competent pair of earbuds for the worth. Undoubtedly value trying out.

