At the moment when mobile phones have gradually become necessities of life, a high-quality earphones has become a standard for people to travel. Since the emergence of Apple’s first-generation Airpods in 2016, major manufacturers have joined the research and development army of true wireless earphones. As an established audio manufacturer, Sennheiser will naturally not ignore the category of true wireless earphones and has launched MOMENTUM true wireless. After the second generation, recently brought another new product: Sennheiser CX 400BT.
Simple and stylish, comfortable to wear
From the appearance point of view, the Sennheiser CX 400BT adopts a small and compact in-ear design, with a simple and stylish design, and the overall appearance is slightly square, with a certain degree of recognition. In terms of colors, simple and generous black and white are used. At the same time, the earphone also has a good ergonomic design, and has a good fit in actual use. It will not cause ear soreness when worn for a long time, reducing fatigue and good passive sound insulation.
For the ear shapes of different people, Sennheiser has also spent a lot of effort on eartips. CX 400BT has prepared four different sizes of silicone eartips. The details are in place. Various sizes can be selected according to your preferences. There are no splicing marks, and the touch is soft and delicate, which can meet the needs of different users while further improving wearing comfort and sound insulation.
Up to 7 hours of battery life, long-distance travel standard
Compared with true wireless earphones, the biggest advantage of traditional 3.5mm interface plug-in earphones lies in power consumption. Sennheiser CX 400BT true wireless earphones have enhanced battery life and charging case. According to actual measurement, when the battery is full, CX 400BT can be used continuously for nearly 7 hours. It can be reached directly without charging by plane in China. With the charging case, it can achieve 20 hours of use. When the earphones is not charged, put it in the charging case. It can be fully charged in just tens of minutes. This 7-hour + 20-hour battery life is sufficient for normal use. In terms of charging speed, CX 400BT can be fully charged in about 1.5 hours without waiting for a long time.
In terms of charging case design, the rectangular parallelepiped design is compact and uses matte materials. Compared with ordinary materials, Sennheiser CX 400BT is not easy to scratch or stick fingerprints when storing, and there is no need to buy earphone covers. At the same time, the opening and closing of the charging case is designed with a magnetic structure for fixing the earphones. The magnetic structure ensures that the one-hand opening and closing will not fall. In order to make it easier for users to know the power, the charging case also provides a power indicator on the back. Press the button on the side to judge the remaining power by the color of the indicator. Green represents sufficient power, orange is about 50% remaining, and red is Very convenient because of insufficient battery.
Simple touch operation, easy to match gestures
In terms of control, Sennheiser CX 400BT innovatively introduces touch operation. The outer layers of the left and right units support single-click, double-click and long-press operations. Common functions can be realized. Tap the left earphone once to realize playback/ Pause function; tap the left earphone twice to switch the previous/next song; in addition, long press the earphone to adjust the volume.
Compared with button-type traditional earphones, Sennheiser CX 400BT’s rich touch gestures will also have some new problems. For some users, it may not be easy to remember or there is a certain learning cost. In this regard, Sennheiser provides a solution. Through the Sennheiser Smart Control application, bluetooth connects to the CX 400BT earbuds. The app allows users to customize the gestures and set them according to their own habits to effectively relieve The cost of memory or learning.
High-end design, excellent sound quality
Sound quality, as one of Sennheiser’s important technologies, was also demonstrated on the CX 400BT. The earphones uses the 7mm dynamic driver of the second-generation MOMENTUM true wireless, and continues the design of high-end true wireless earphones, using bluetooth 5.1 for transmission. Transmission, support SBC, AAC and aptX audio coding, to ensure that high-quality transmission will not have intermittent problems. It is worth noting that although Sennheiser CX 400BT does not include noise reduction function, Sennheiser has also added an equalizer in the Smart Control application, which can simply and directly adjust the sound style. In addition to the traditional segmented interface, The drag adjustment method is newly added, and the current sound effect can be previewed in real time, which is quite intuitive and easy to use.
In terms of timbre, Sennheiser CX400BT also performs well in popular and musical instruments like MOMENTUM True Wireless II. When listening to symphony, it can fully show the sense of scale and details of the soundtrack; when listening to fast-paced songs, CX 400BT can bring refreshing low-frequency performance, showing a strong sense of rhythm; listening to orchestra is more delicate and can show the different instruments Positioning. On the whole, Sennheiser CX400BT continues the advantages of the second generation of MOMENTUM true wireless, has an excellent sense of atmosphere, is particularly strong in music performance, and has an outstanding sense of space and presence.
In addition, Sennheiser CX400BT has added a multi-device connection function. Through the Sennheiser Smart Control application, you can manage the currently paired devices. Up to eight different bluetooth devices can be saved. It supports one-click switching, which greatly saves Time.
In short, Sennheiser CX400BT has achieved a balance of sound quality, appearance, battery life and other aspects. The earphones can be used with Sennheiser Smart Control application to realize equalizer adjustment, custom gestures, and fast switching of bluetooth connections. The defined operation can be “tailored” according to user needs, which directly improves user experience. It can be said that users have added a new choice when buying Sennheiser true wireless earphones. If you need noise reduction, please choose MOMENTUM True Wireless 2. If you don’t need noise reduction, you can buy Sennheiser CX 400BT.
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