![]() ![]() You haven’t come to the right headphone if you’re looking for a vast and accurate image. You’re not going to cancel out an ambulance, but it’s more than enough to attenuate distraction vents and machinery. This chip applies real-time acoustic processing at over 700 times a second. Sony uses a new dual noise sensor technology that uses two microphones to capture even more ambient noise, filtering them through the XM4s QN1 noise-canceling algorithm. Features like adaptive and ambient sound control make a welcome return in the XM4, as well as quick attention. The noise-canceling technology Sony has introduced with the XM has truly broken a lot of ground. Charge time is relatively short, only lasting 3 hours until full charge, with only 10 minutes equaling 5 hours of use. The XM4 boasts a significant battery life, with a total of 30 hours of continuous playback time with ANC, and 38 hours without noise-canceling. Sony incorporates LDAC, AAC, and SBC codecs for a good variety of options for wireless resolution. The pairing was fast and seamless, with a high range of bandwidth. The Bluetooth connection itself is the latest 5.0 technology. You can easily switch between the two devices without hassle. So say you’ve got the headphones connected to your laptop and your phone, and you receive a phone call. The main attraction for upgrading to the XM4 is the introduction of a multipoint connection system that will connect the XM4 with two devices at the same time. Playback and volume controls have a short delay, but still, work well. The touch-sensitive faceplate makes a return, and most of the gestures respond quite well. With the inclusion of Sony’s Headphone Connect companion app, the XM4 has multiple control options. Most of the touch gestures used on the previous model carry over to the XM4. Knowing this particular line from Sony, I was excited to see how they’ve improved upon the functionality of the device. I don’t think lost frequency information was ever fully restored, or came close to what true lossless offers, but you do get a sense of some enhancement, as the color of the tracks showed much more character than Spotify can usually handle. I usually listen to Tidal lossless when testing headphones, but I tried Spotify to see if I could spot any major differences. What it does is help restore some of the frequency information lost with lossy audio files. The thing that stuck out to me the most is their DSEE (Digital Sound Enhancement Engine) which seemingly tries to enhance the resolution of your audio in real-time. I want to touch on the variety of technology Sony has packed into these headphones. These specs are fairly neat for a consumer wireless headphone, and we’ll see how it reflects the sound signature soon. It makes the XM4 a capable headphone and one that has the potential to reproduce a good amount of frequency information, with the frequency response between 4Hz-40kHz in active mode. The XM4 is a closed-back headphone that implements a dynamic, dome-type driver unit with a neodymium magnet, and aluminum-coated diaphragm. ![]() The earcups and foam pads may still be flimsy, but they do the job and provide a comfortable enough listening experience. They keep the same sleek, simplistic look that’s appealing to anyone looking for an un-obtuse pair of cans. If it ain’t broke don’t fix it, and I don’t think anyone has taken issue with the look of this series. Housing, headband, and earcups are all the same, which isn’t a complaint. If you’re familiar with this line, then the XM4 won’t surprise you, it’s exactly the same design, and can be easily mistaken for previous models just at a glance. The rest of the contents come inside the case, including a USB type C charging cable, airplane adapter, and 3.5mm headphone cable for a wired connection. The packaging mainly includes the bare necessities for a wireless headphone, starting with a carrying case that the XM4 folds into. Most of the XM4s “business” goes on inside the headphone, so the accessories are limited with the XM4. There are some differences between the new XM4 and previous models from this line, and we’re going to get into them properly. Even though the sound fidelity isn’t my cup of tea, people still very much enjoy it, and they’ll already be happy with the XM4 no matter how many crazy features it comes with. It’s not terrible by any means, and you can make an argument that you’re getting exactly the sound you pay for. However, I’ve never felt too enthusiastic about their sound signature. ![]() Their qualities show with innovative designs, features, and usability. In terms of noise-canceling technology, Sony has really lead the pack. This year sees the release of the XM4, a hot button item in consumer noise-canceling Bluetooth headphones. ![]() One of the more popular headphone lines we like to cover on MajorHiFi is Sony’s WH -1000X line. ![]()
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