Good sound quality, good noise cancellation

After the launch of the mid-range CX True Wireless headphones last year, Sennheiser has launched an upgraded version of the product line, called CX Plus True Wireless. Sold at a higher price, the new version of the headset now supports active noise cancellation. Today’s article will review in detail the CX Plus True Wireless line of wireless headphones, thereby pointing out the strengths and weaknesses of the product line.

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Sennheiser CX Plus True Wireless Specifications

  • Design form: Headphones Earbuds
  • Drivers: dynamic, 7 mm
  • Frequency response range: 100 – 10kHz
  • Bluetooth version: 5.2
  • Mass: 6 gx 2
  • Estimated battery capacity: 24 hours

Sennheiser CX Plus True Wireless

Sennheiser CX Plus True Wireless: Design

Aesthetically, the CX Plus True Wireless bears many similarities to the wireless headphones that Sennheiser has released in recent years. The appearance of the CX Plus True Wireless looks no different from its predecessor, with the difference being in the finish of the outer shell. The same can be used to describe the design of the charging case. Basically, if you are familiar with the design of the CX True Wireless headphones, the design of the Plus version will not surprise you.

And similar to the previous version of the headset, CX Plus True Wireless has a compact design, and comes with 4 pairs of tips with different sizes, allowing you to freely choose to get a comfortable wearing experience. best. It is very important to use the right pair of tips, as this not only directly affects the sound quality, but also has an impact on the comfort level during use.

Similar to the previous version of wireless headphones, the exterior design of the CX Plus meets IPX4 water and sweat resistance standards. This allows you to comfortably use the headphones in the rain or when running without worrying about damaging the internal components.

The design of the charging box has not changed much compared to the previous version of the headset. The appearance of the box looks bulkier when compared to the charging box of the AirPods Pro line of headphones, but users can still tuck it into their pockets when not in use. The box is charged via a USB Type-C port, and there is an LED dot on the front to show the current battery level.

The outer shell of the box is made of plastic, and the hinge details are not very sturdy. Overall, though, the CX Plus True Wireless’s case has a pretty good build quality, with every detail tied together seamlessly and firmly.

Sennheiser CX Plus True Wireless: Control

CX Plus True Wireless has a fairly simple control method. On the front of each earphone is equipped with a capacitive sensing surface (located at the shiny Sennheiser logo), and users can manipulate the pair of headphones through functions such as on/off music and make phone calls by tapping 1, 2 or 3 times.

In this Plus version, Sennheiser has added ANC noise cancellation and crosstalk listening to its Bluetooth headset product. Below is a detailed list of the different control operations of CX Plus True Wireless:

For left earphone:

  • One-touch operation: Switch to crosstalk listening mode
  • Double tap: Go back to the previous song
  • Triple tap: Switch to ANC . noise cancellation mode
  • Long press: Volume down

For the right headset:

  • One-touch operation: Play/pause music
  • Double tap: Skip to next song
  • Triple tap: Interact with virtual assistants
  • Long press: Volume up

Sennheiser CX Plus True Wireless: Noise Cancellation

Sennheiser CX Plus True Wireless has good active noise cancellation performance compared to the price segment. Although it cannot be compared with more advanced headphones like the Sony WF-1000XM4, the CX Plus’ noise cancellation still provides a good experience during use.

By default, CX Plus has very good passive sound insulation, contributing to reducing a part of high-frequency noise, such as car horns.

Sennheiser CX Plus True Wireless: Companion App

The CX Plus is compatible with the same type of companion apps as the previous version of the headset. The app, called Sennheiser Smart Control, can be downloaded for free on both Android and iOS platforms. The application has a clean, user-friendly interface. Through the application, users can easily pair the headset with their mobile device.

And similar to the original headset version, Smart Control allows users to adjust the control operations of the pair of headphones. In addition, users can also adjust the characteristic sound quality of the pair of headphones through the EQ settings.

Sennheiser CX Plus True Wireless: Battery life

According to the manufacturer, the CX Plus’ battery life is estimated to be about 8 hours in a charge cycle. However, our actual usage shows that the pair of headphones has a shorter battery life than the above figure. In the absence of the ANC feature, the left earphone has a battery life of 5 hours 44 minutes, when listening to music with the volume level maintained at 75 dB, while the right earphone has a time level. slightly longer battery life of 5 hours and 45 minutes.

This level of battery life is in the mid-range in the price segment. In addition, the manufacturer also says that the charging case of the CX Plus can recharge a total of 16 hours for the pair of headphones. The pair of headphones supports fast charging, allowing users to recharge for 1 hour 30 minutes of use after only 10 minutes.

Sennheiser CX Plus True Wireless: Sound Quality

CX Plus has a fairly accurate and detailed mid-range sound. The bass range of the headphones is slightly amplified, but not excessive, and the mid range is also slightly raised above the basic level. Meanwhile, the high frequency range (especially in the range of 1 – 5kHz) has a slightly lowered volume level.

Possessing a characteristically balanced sound quality, CX Plus offers a good experience for many different genres of music. In addition, users can use EQ settings to customize, thereby providing the best audio experience.


If you are looking for a pair of mid-range wireless headphones with reliable noise cancellation, the Sennheiser CX Plus True Wireless will be a good choice.

The features that CX Plus brings, although not the highest performance in the price segment, but in return, the pair of headphones possesses many different features, giving users extremely flexible use.

See more: Sennheiser CX True Wireless review: Good sound quality, mid-range price

Plus mark:

  • The noise canceling feature is quite good for the money
  • The characteristic sound quality is easy to listen to
  • IPX4 . water resistant design
  • Companion app that offers many features

Minus point

  • The design is a bit cumbersome
  • Battery life is not too long

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