Sony WF-1000XM4 True Wireless Earphones Review

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Sony is among the many world’s main manufacturers with regards to private audio, and has usually produced high-quality wi-fi headphones, earphones, and true wi-fi earphones. The firm has additionally developed the LDAC Bluetooth codec, which permits for a excessive fee of information switch over Bluetooth for higher audio high quality with high-resolution audio streams and recordsdata. The newest product from Sony combines all of its experience on this area; the WF-1000XM4 true wi-fi earphones promise flagship-grade sound high quality, together with different key options.

Priced at Rs. 19,990, the Sony WF-1000XM4 is the successor to the WF-1000XM3, and guarantees an much more succesful and feature-filled listening expertise. Apart from lively noise cancellation, cell app assist, and wi-fi charging, the WF-1000XM4 helps the LDAC Bluetooth codec which guarantees higher sound high quality with suitable supply gadgets. Is this the most effective pair of true wi-fi earphones you should purchase proper now? Find out on this overview.

The Sony WF-1000XM4 helps the SBC and AAC codecs, along with LDAC


All the specs and options you’d count on on the Sony WF-1000XM4

Some flagship true wi-fi earphones such because the Sennheiser Momentum True Wireless 2 and Sony WF-1000XM3 are significantly bigger than most inexpensive and mid-range choices, and the Sony WF-1000XM4 is a equally giant pair. One of the explanations for that is the Sony V1 built-in processor, which powers the lively noise cancellation and LDAC Bluetooth codec assist.

Although a bit smaller than the XM3, the XM4 earpieces are fairly giant. They stay anchored in place in your ears with the assistance of silicone ear suggestions alone. The earpieces caught out of my ears considerably precariously, and tended to maneuver round barely with on a regular basis use, significantly after I was strolling. However, noise isolation remained adequate to make sure efficient lively noise cancellation, and I did not have any points with consolation or the flexibility to make use of these earphones for lengthy stretches.

The earpieces of the Sony WF-1000XM4 are constructed from plastic, however have a pleasant end and there is a small steel accent on every one that homes one of many outer microphones. The second outer microphone is on the highest of every earpiece, and a 3rd microphone is positioned inside to help with ANC. The rounded portion on the outer aspect of the earpieces is touch-sensitive for the customisable controls, and the insides have proximity sensors that detect after they are worn or taken off in an effort to routinely play and pause music or energy them down when not in use.

The Sony WF-1000XM4 earpieces are rated IPX4 for water resistance. My overview unit got here in an ‘eco-friendly’ recyclable bundle. I discovered three pairs of froth ear suggestions within the bundle, however Sony has confirmed that models bought in India could have three pairs of silicone ear suggestions as an alternative within the field, which is a bit disappointing provided that foam suggestions normally provide a greater noise isolating match. A single pair of silicone ear suggestions was supplied to me individually by Sony for this overview, to match the expertise patrons could have.

Touch controls on the Sony WF-1000XM4 are customisable by the Sony Headphones Connect app, though that is restricted to perform units moderately than permitting customers to decide on particular person gestures and capabilities. The units are assigned to every earpiece individually, and will be swapped relying in your preferences. There’s a set for Ambient Sound Control which cycles between lively noise cancellation and hear-through modes with single-taps, and Quick Attention mode with a steady press. A second set permits playback and voice assistant controls, and eventually, the third set provides you quantity controls.

I had Ambient Sound Control lively on the left earpiece and playback controls on the precise one, however the want to decide on two of the three units was a bit disappointing. I might have appreciated to have additionally been in a position to management the quantity immediately from the headset.

The charging case of the Sony WF-1000XM4 matches the color and texture of the earpieces. It is not too giant which makes it pocketable and straightforward to hold round. There is a USB Type-C port on the again for charging, and a standing indicator gentle on the entrance, slightly below the lid. The charging case additionally helps Qi wi-fi charging.

The earpieces of the Sony WF-1000XM4 have 6mm dynamic drivers which assist a frequency response vary of 20-40,000Hz and streaming bitrate of as much as 990kbps with the LDAC codec (20-20,000Hz frequency vary with different codecs). For connectivity, the earphones use Bluetooth 5.2, with assist for the SBC, AAC, and LDAC Bluetooth codecs. There’s additionally assist for Google Fast Pair, enabling fast pairing with Android smartphones by linking the headset to a Google account.

Sony’s Headphones Connect serves because the companion app for the WF-1000XM4 earphones, letting you customise the controls, change equaliser settings, and examine the battery ranges of the earpieces and charging case. You may also tweak different issues reminiscent of 360 Reality Audio settings, speak-to-chat, DSEE audio mode, voice assistant preferences, auto power-off, and extra.

You can set the earphones to prioritise sound high quality over connection stability or vice-versa, relying in your utilization preferences. On the entire, this is a wonderful app that enables loads of management over the earphones and its options, aside from pushing firmware updates to the headset as and after they change into accessible.

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The Sony WF-1000XM4 has contact controls, which will be customised by the Sony Headphones Connect app


Battery life on the Sony WF-1000XM4 is not distinctive, however is first rate sufficient given its options and specs. I used to be in a position to make use of the earpieces for round six hours on a single cost (Sony claims eight hours) with combined utilization, which concerned listening to music and audiobooks in addition to taking calls, with lively noise cancellation normally on. The charging case added two full expenses for the earpieces, for a complete battery lifetime of round 18 hours per cost cycle. It’s doable to completely cost the case safely with a 10W charger in round 90 minutes, and wi-fi charging naturally takes longer.

Good sound high quality and ANC on the Sony WF-1000XM4

Sony’s over-ear headphones such because the WH-1000XM4 have been class-leading for a while, however the firm’s true wi-fi vary hasn’t been fairly as spectacular within the premium section as opponents from Apple and Samsung. The WF-1000XM4 represents a giant change in that development, and places Sony firmly in competitors among the many finest within the true wi-fi audio section.

The key level that makes the Sony WF-1000XM4 particular is its assist for the LDAC Bluetooth codec, which is a uncommon specification for true wi-fi earphones. Furthermore, Sony has ironed out a variety of the problems that older merchandise have had with connection stability, making the usage of LDAC as seamless and pure because the far more secure AAC codec, even over lengthy distances. This meant that there was a small however noticeable enchancment in sound high quality when utilizing the earphones with an Android smartphone in comparison with an iPhone.

Listening to Hold On (Sub Focus Remix) by Rusko on Apple Music with the LDAC codec at 990kbps, I used to be instantly impressed with the sound high quality on provide. The sonic signature of the earphones is geared across the typical listening profile of an on a regular basis client, so it is nicely tuned for this aggressive dubstep observe. This made for a definite bias in the direction of low frequencies, which translated into a decent and aggressive bass response that introduced out the most effective within the observe.

There was loads of element to be heard as nicely, benefiting from the high-resolution audio stream from Apple Music. With Butterflies by Skrillex, the vocals sounded clear and hanging, taking part in nicely with the deep assault of the lows. The fainter instrumental components and refined background vocals sounded distinct and interesting, significantly at average to excessive volumes.

The Sony WF-1000XM4 was succesful sufficient to maintain tempo with the quickest and most different of tracks throughout genres, adapting to totally different kinds virtually intuitively. The wonderful sample-based Frankie Sinatra by The Avalanches sounded significantly higher on the WF-1000XM4 than on any of the opposite true wi-fi headsets I’ve used just lately. This pair of earphones was utterly unfazed by the busy, quickly altering kinds of the observe. Everything held collectively coherently, with an in depth and energetic sonic signature defining the gratifying listening expertise I had.

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There are three microphones for ANC and voice pick-up on every earpiece of the Sony WF-1000XM4


Active noise cancellation on the Sony WF-1000XM4 was expectedly excellent, helped alongside by the efficient noise-isolating seal from the ear suggestions. Turning on ANC made a direct distinction to the noise ranges I used to be in a position to hear each indoors and outside. These earphones had been significantly good at decreasing wind noise and the hum of the city outside.

The effectiveness of the noise cancellation additionally meant that I used to be in a position to preserve the audio quantity at protected ranges even in noisy environments. That mentioned, I’ve skilled barely higher lively noise cancellation with competing merchandise such because the Apple AirPods Pro.

The hear-through mode sounded pretty pure, however it isn’t fairly as clear as on the Apple AirPods Pro. Speak-to-chat labored nicely, but it surely’s very delicate to even gentle speech which will be annoying if in case you have a bent to sing together with music, and this sensitivity cannot be adjusted in any method. Voice assistant performance labored nicely with each Google Assistant and Siri, and the Quick Attention mode is an intuitive technique to shortly take heed to your environment even when ANC is on and audio is taking part in.

The Sony WF-1000XM4 carried out nicely with telephone calls and audiobooks – each of which put the deal with voices and speech – and I had no bother understanding or being understood even in considerably noisy environments. As beforehand talked about, connectivity was secure even with the LDAC codec in operation, at distances of as much as round 3-4m.


The Sony WF-1000XM4 is a flagship true wi-fi headset in each sense, and has one key issue that units it aside from different merchandise on this section – LDAC Bluetooth codec assist. This makes it significantly nicely suited to make use of with Android smartphones, and the sound high quality on provide is certainly among the many finest that you could get with this manner issue. Good lively noise cancellation, a practical app, and helpful options reminiscent of speak-to-chat, Quick Attention mode, and voice assistant assist assist make this a succesful true wi-fi headset.

However, for those who’re utilizing an iPhone, you would be higher served by the AirPods Pro for a variety of causes, together with higher connectivity and lively noise cancellation, and sound that’s virtually nearly as good with the AAC codec, save for slight variations within the sonic signature.

Catch the newest from the Consumer Electronics Show on Gadgets 360, at our CES 2022 hub.

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