Sony WF-1000XM4 Test | CHIP



The Sony WF-1000XM4 offered a very long battery life in our test. We had the best result without ANC when using the Bluetooth standard codec SBC. In this case, the headphones ran for almost 14 hours straight without recharging and lasted almost 50 hours including recharging via the battery case. At the time of testing, these are the best values ​​of the Leaderboard. With ANC, the battery life was reduced to just under 9.5 hours at a time or 32.5 hours with recharging via the case until it is empty too. These are also excellent values.

In addition, the WF-1000XM4 charge so quickly in fifteen minutes that after this short charging time they can play music again for 5.5 hours without ANC or a little over 3.5 hours with ANC. Last but not least, we rate the stable Bluetooth connection positively. Because the Sony WF-1000XM4 have the highest Bluetooth range in our leaderboard environment and continued to play music without any problems in the test even when there was a closed door between the player and headphones.

In terms of battery life, however, you should note that this can vary depending on the device and codec used. With ANC and Sony’s HD audio codec LDAC, for example, they only ran for around 6 hours and 20 hours with the case. By default, the WF-1000XM4 select SBC or AAC (depending on the mobile phone), but if you change the standard setting in the app from “Priority to stable connection” in favor of “Priority to sound quality”, according to our test results you will have to reckon with significantly reduced battery life but in the end they are still good.

Wireless charging according to the Qi standard has been added. For this, Sony has canceled the NFC coupling function. But since the WF-1000XM4 supports so-called fast pairing, the headphones appear immediately in the pairing menu without having to work your way through the settings menu. NFC can therefore be dispensed with.

Incidentally, Sony uses the current Bluetooth 5.2 protocol here. Like its predecessor and the fourth generation of the headphone, the XM4-In-Ear does not have AptX support, but instead builds on the better AAC or Sony’s LDAC in addition to the Bluetooth standard codec SBC. This may be disappointing for some, but in our experience, especially for streaming music from the popular AAC or SBC services, it is completely sufficient.

Test: Frederik Niemeyer, Tomasz Czarnecki
Editor: Frederik Niemeyer


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