Anker Soundcore Liberty 4 NC review

You’d be hard-pressed to find earbuds for a Benjamin Franklin that do most of the tasks the Anker Soundcore Liberty 4 NC promises. Onboard, you’ve got active noise cancelation (ANC) with additional wind reduction and adaptive noise canceling features. So, we took these affordable buds for a spin to see if they can outlast your workday and if you’ll want to wear them that long.

Editor’s note: this review was updated on April 9, 2024, to answer more frequently asked questions.

What’s it like to use Anker Soundcore Liberty 4 NC?

Anker produces a few colorways for the Soundcore Liberty 4 NC, and our test unit comes in Cosmic Blue, also listed as Dark Navy (on some sites), with an almost iridescent sheen that’s quite pleasing. The case finish isn’t too slick, which is good, but it picks up scuffs easily. In this color, the scratches don’t show too obviously, at least. Other colors include Velvet Black, Pastel Pink, Light Blue, and Clear White.

Flip the lid on the stout, squarish case to reveal the stemmed earbuds with ambient internal lighting. Inserting the AirPods Pro style buds shows these fit pretty securely, but despite the IPX4 rating, they are not athletics-oriented earbuds. The capacitive touchpad resides towards the top of the earbud, where the stem meets the round housing. Controls rarely misfire and, if anything, are slightly insensitive. By default, a pleasant low clicking sound shows a command register. You can even adjust whether you want sound in the app.

Included with the Soundcore Liberty 4 NC are four oblong-shaped ear tips, and there’s a Fit Test in the app to ensure you’ve optimized which ones you choose. These range from roughly 10mm to 16mm. I find they require very few readjustments when worn, but they also don’t sit very far inside my ears. In any case, they handle wind without dislodging just fine. Meanwhile, the case is chunky and can fit in a loose pocket but only partially disappear into your pocket like the Google Pixel Buds Pro or LG TONE Free Fit TF7 cases.

How do you control the Anker Soundcore Liberty 4 NC?

To control the Anker Soundcore Liberty 4 NC, you tap the bud on the flat of the housing directly in front of the canal. You can hear it in-ear, which isn’t entirely pleasant, but it’s not too bad and better than contending with stiff buttons.

The default controls are shown, but you can reassign any control in the app. It’s impressive how extensively you can make changes to the controls. In addition, you get in-ear detection, and you can lock the touchpad when the in-ear detection notes a bud is out of your ear. That way, you won’t contend with accidental command triggers when replacing the buds in the case, for instance.

Should you use the Soundcore app for the Anker Soundcore Liberty 4 NC?

One of the strengths of Anker Soundcore Liberty 4 NC is the comprehensive Soundcore app. Firstly, to use it, you must sign in and sign away some of your privacy. The organization hides some of the features, but you get a Fit Test, a whopping 22 EQ presets, alongside a labeled eight-band equalizer.

Anker goes an extra step with noise canceling by including options for Adaptive Noise Canceling and a manual mode that allows users to adjust the strength along a scale. This is a wonderful feature when you’re in an office with some din but don’t need the vacuum created by full-strength ANC. Arguably, it’s too many options, but I like the wind reduction option that prevents any unpleasant whooshing noise from reaching your ears. If you want to avoid playing around with the modes, the Adaptive mode automatically adjusts the level of ANC based on your environment. It doesn’t seem incredibly distinct from manually selecting a setting, but it’s a good idea.

In addition, you can comprehensively reassign commands, try out gaming mode, change codecs (mainly of interest to Android users), and there’s a Safe Volume monitor where you can limit the acoustic output.

How do the Anker Soundcore Liberty 4 NC connect?

Anker kitted out the Soundcore Liberty 4 NC with Bluetooth 5.3 and LDAC, AAC, and SBC codecs. Android users will likely get the most out of the LDAC codec. Meanwhile, iPhones will default to the AAC codec. The app also has a gaming mode meant to optimize against latency.

Getting the buds to pair is simple, and they stay connected. In addition, the Liberty 4 NC has Bluetooth multipoint, so you can simultaneously connect to more than one device.

How long does the Anker Soundcore Liberty 4 NC battery last?

This is a good moment to remind you that these are $100 earbuds, and the battery life is stellar. The Liberty 4 NC battery lasts 9 hours and 53 minutes with noise canceling on to a single charge under our standard testing conditions. Also impressive is that the case can supply approximately 50 hours of charge.

When the case’s battery needs a re-up, you can choose between using the USB-A to USB-C cable or wirelessly charging on the Qi pad.

How well do the Anker Soundcore Liberty 4 NC cancel noise?

Anker didn’t seem to add noise canceling as an afterthought. The Soundcore Liberty 4 NC comes with not just ANC on or off; instead, you get Adaptive Noise Control (which you can turn on/off), five levels of manual noise canceling, wind reduction (on/off), and even transportation-specific ANC. You might call this overkill if you’re not a tinkerer. If you experience some of that intense vacuum sensation with strong ANC, you might get that with the Anker Soundcore Liberty 4 NC when the ANC strength is on high. The ANC successfully attenuates the sounds of traffic and hum on public transit.

With impressive ANC, you might think the passive isolation on the Soundcore Liberty 4 NC doesn’t quite measure up, with some audibility of incidental high-pitched noises. Sometimes, this is useful, like at a pedestrian crosswalk, where you can hear the chirp signaling to cross. On the other hand, that’s what transparency mode is supposed to handle. With the buds’ isolation, chatter sometimes still gets through somewhat, necessitating a volume increase. For the money, the combined noise canceling and isolation performance is still excellent overall, but the buds don’t fit deep enough to isolate particularly well.

How do the Anker Soundcore Liberty 4 NC sound?

Multi-Dimensional Audio Quality Scores (MDAQS)

The chart below shows how the sound of the Anker Soundcore Liberty 4 NC was assessed by the Multi-Dimensional Audio Quality Score (MDAQS) algorithm from HEAD Acoustics.

An overall score of 4.9 is among the highest of any wireless earbuds we’ve tested. By this measure, the Liberty 4 NC are some of the best-sounding earbuds on the market, which is impressive for their price.

Reviewer’s notes

Using the default EQ, Signature in the Soundcore app, I listen to Tighten It Up by Barney Bones, DRAMA – Edit. The propulsive bass line plays pretty loudly compared to the vocals and the low-level house genre piano chords. As much as the track relies on prominent bass, it can be hard to make out the rest of the track perfectly at safe volumes. Overall though, it’s alright. I still enjoy the music as the drum machine is at an okay volume, so for pop music and dance genres, it’s totally fine.

Trying a more vocal-focused track, Run A Red Light by Everything But The Girl, the Anker buds reproduce Tracey Thorn’s low, husky voice at an acceptable volume relatively. The piano plays through most of the track and sits at a reasonable volume. When the bassy percussion comes in around the 1-minute mark, it’s a bit loud relative to the vocals but not distracting. Because the song has a limited amount of bass instrumentation, the bass emphasis doesn’t pose a problem. Only at the chorus is there some slightly exaggerated sibilance, but overall, it sounds pretty good.

Objective Measurements

Typical of most consumer wireless earbuds, the Anker Soundcore Liberty 4 NC boosts bass and treble compared to our headphone preference curve. The result is a long way from the accuracy of studio headphones, but if you feel your music needs more oomph, these overdo it a bit, but maybe that’s your preference. The low end up through to about 200Hz is significantly louder, while mids follow our preference well. The frequency response also shows an added volume boost between roughly 5kHz and 8kHz.

Can you use the Anker Soundcore Liberty 4 NC for phone calls?

Anker uses six microphones and an AI algorithm for the Liberty 4 NC. The results are okay, although the buds do best with lower-pitched voices. Voices are intelligible, although, in ideal circumstances, the resolution doesn’t exactly impress; it’s totally fine. In an office, the buds filter most noises well, although they struggle with keystrokes, occasionally overwhelming your speech slightly. The Liberty 4 NC handles street and windy conditions better, filtering most ambient street noise leaving a slight background haze but nothing distracting. With wind, your voice remains intelligible as well, for the most part.

Anker Soundcore Liberty 4 NC microphone demo (Ideal conditions):

Anker Soundcore Liberty 4 NC microphone demo (Office conditions):

Anker Soundcore Liberty 4 NC microphone demo (Street conditions):

Anker Soundcore Liberty 4 NC microphone demo (Windy conditions):

Should you buy the Anker Soundcore Liberty 4 NC?

Ordinarily, when reviewing budget products, there are reservations, but for most people, the Anker Soundcore Liberty 4 NC are simply good, value-priced earbuds. They tick off most boxes, from the nearly 10 hours of battery life with ANC on to the responsive touch controls.

They might not be the ideal workout companion, but with an IPX4 rating, they can handle it, much like Apple AirPods Pro models. A comprehensive app lets you check your fit, adjust ANC with the granularity missing on some flagships, and remap commands. Plus, you can pick from the overwhelming 22 EQ presets or use the eight-band equalizer to taste. Some of Anker’s efforts were let down by their cases, but the Liberty 4 NC has a nice case. If there’s one mark against the buds, the earbuds rate as average for comfort, nothing terrible and nothing extraordinary, but certainly not unpleasant; they easily feel okay for a couple of hours.

What should you get instead of the Anker Soundcore Liberty 4 NC?

Because they punch above their price point, most comparable earbuds will cost more than the Anker Soundcore Liberty 4 NC. First, check out the Sony LinkBuds S. These feel good, have the same IPX4 rating as the Anker buds, and sound pretty good, too. You won’t quite eke out the same battery life, however, and they go for $148 at Amazon.

Consider the Jabra Elite 4 ($79 at Amazon) if you want a better IP55 rating and a more secure fit. Jabra outfits these comfortable buds with excellent isolation and less impressive ANC. Android users can benefit from the aptX codec, which we tend to favor over LDAC for its non-variable transfer rate. Of course, the battery life is one concession, but they sound really good by default.

Finally, who better to compete with the Anker Soundcore Liberty 4 NC than the Anker Soundcore Space A40? These stemless earbuds are IPX4-rated and utilize the same Soundcore app to access EQ and ANC. These use the same LDAC, AAC, and SBC combo. The battery life is shy of 8 hours, which is still impressive for $79 at Amazon. The real downsides of these is that the case isn’t very sturdy, and the Anker Soundcore Space A40 microphone handles wind notably worse. Still, this could be a moot point if you rarely make calls in the wind.

It might also be worth waiting to see if the Anker Soundcore Liberty 4 Pro does, in fact, release this year.

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