Manuals of product CX 120BT
Editorial note
The Sennheiser CX 120BT headphones stand out for their lightness and comfort, weighing only 14 g, making them ideal for prolonged use without discomfort. Their modern and sleek design, combined with an immersive audio experience thanks to dynamic drivers, will delight audiophiles looking for rich and dynamic sound reproduction. However, some drawbacks should be noted. The lack of a 3.5 mm connector limits compatibility with certain devices, while Bluetooth 4.1 technology, although effective, is slightly outdated compared to newer versions. Additionally, the 8.5-hour battery life may prove insufficient for heavy users, and the lightweight design, while advantageous, can affect stability during intense physical activities. Despite these points, the Sennheiser CX 120BT offers good value for money, incorporating wireless features and a quality omnidirectional microphone. Overall, they are a solid choice for those seeking comfortable and high-performing headphones, while keeping in mind the few limitations regarding connectivity and battery life.Score details
User experience
The user experience is very positive thanks to the lightness and comfort of the headphones, allowing for prolonged use without discomfort.
Performance
The audio performance is excellent, with rich and dynamic sound reproduction, ideal for audiophiles. However, the Bluetooth 4.1 technology is slightly outdated.
Battery life
The battery life of 8.5 hours is adequate but may be insufficient for heavy users. The quick charging time of 1.5 hours is a positive point.
Design
The design is modern and stylish, with a lightweight of 14 g, although this may affect stability during intense physical activities.
Features
The wireless features and built-in microphone are a plus. However, the lack of a 3.5 mm connector and USB connectivity limits compatibility with some devices.
Value for money
The value for money is good due to the sound quality and wireless connectivity, despite some limitations.
Advantages
Light and comfortable for extended wear
Rich and dynamic sound for audiophiles
Wireless connection via Bluetooth 4.1
8.5 hours of battery life, fast charging
Clear microphone for calls and conversations
Disadvantages
No 3.5 mm connector
Less efficient Bluetooth 4.1
Insufficient 8.5 hours of battery life
Lightness may affect stability
No USB connectivity or additional profiles
Technical Specifications CX 120BT
General Information
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ModelCX 120BT
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Brand
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Category
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Type
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SKU1329862
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MPN1329862
Representation / realization
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Product typeHeadset
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Portable headset styleIn-ear, Neck-band
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Recommended useCalls/Music
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Type of headsetBinaural
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Product colorBlack, Red
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Volume orderButton
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Order unit typeBuilt-in control unit
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Order typeButtons
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Cable colorBlack
Weight and dimensions
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Weight14 g
Packaging contents
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Additional headphonesYes
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Cables includedMicro-USB
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Quantity1
Connectivity
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Connectivity technologyWireless
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USB ConnectivityNo
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USB ConnectivityNo
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USB connectorMicro-USB
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BluetoothYes
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Bluetooth ProfilesA2DP, AVRCP, HFP
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Bluetooth model4.1
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Frequency band2.402 - 2.48 GHz
Headphones/Earphones
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Ear couplingIntra-aural
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Intraural type of headsetHeadphones
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Driver typeDynamic
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Reading unit10 mm
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Headphone frequency17 - 21000 Hz
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Impedance- Ohm
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DHT, total harmonic distortion0.5 %
Microphone
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Microphone typeIntegrated
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Microphone sensitivity-42 dB
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Microphone frequency100 - 8000 Hz
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Microphone direction typeOmnidirectional
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Microphone MEMS (Micro-Electro-Mechanical System)Yes
Battery
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Works on batteriesYes
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Battery typeBuilt-in battery
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Battery technologyLithium Polymer (LiPo)
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Battery capacity100 mAh
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Streaming audio playback8.5 h
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Battery recharge time1.5 h
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Loading sourceUSB
Frequently Asked Questions
At what sound level does the volume become excessive?
Is it possible to make hands-free calls with my headphones?
What does noise cancellation mean?
What is Bluetooth?
What is the weight of the Sennheiser CX 120BT?
How long does it take to charge the battery of the Sennheiser CX 120BT?
Is the manual for the Sennheiser CX 120BT available in French?
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Presentation of product CX 120BT specifications from brand Sennheiser
General Information
The Sennheiser CX 120BT headphones are a product of the Sennheiser brand, known for its commitment to audio quality and technological innovation. This model, identified by the reference CX 120BT | 508967, ensures superior listening performance and an optimized user experience.
Representation / Realization
The Sennheiser CX 120BT are binaural headphones designed to provide an immersive and comfortable audio experience. Perfect for calls and music listening, they easily connect to a computer or PC. The modern design, available in black and red, adds a touch of elegance. Their digital volume control ensures precise sound management, while the integrated control unit and buttons facilitate daily use.
Weight and Dimensions
Weighing only 14 g, the Sennheiser CX 120BT are lightweight, ensuring optimal comfort even during prolonged use.
Packaging Contents
The package of the Sennheiser CX 120BT includes additional ear tips, enhancing your listening comfort. A power cable is also provided for efficient electrical connection. The packaging contains one unit, making it easy to manage your purchase.
Connectivity
These headphones incorporate wireless connectivity technology, offering freedom of movement without the constraints of cables. However, they do not have a 3.5 mm connector, which may limit their compatibility with certain devices. The model uses a Micro-USB connector for charging and data transfer. Thanks to the Bluetooth function, the Sennheiser CX 120BT easily connect to various devices. They support multiple Bluetooth profiles, such as A2DP, AVRCP, and HFP, ensuring smooth connectivity. Bluetooth 4.1 provides a fast connection, while the frequency range of 2.402 - 2.48 GHz allows for effective communication.
Headphones/Earphones
The in-ear coupling of the Sennheiser CX 120BT promotes total sound immersion. The headphones, of intraural type, are equipped with dynamical drivers, ensuring rich sound reproduction. With a driver unit of 10 mm, they offer a frequency range of 17 - 21000 Hz, thus providing a captivating listening experience. The impedance and total harmonic distortion of 0.5 % ensure top-notch sound quality.
Microphone
The headphones feature a built-in microphone, ideal for practical and quality recordings. With a sensitivity of -42 dB and a frequency range of 100 - 8000 Hz, this omnidirectional microphone clearly captures sounds, offering flexibility for calls and recordings. The MEMS microphone ensures excellent sound quality while remaining compact.
Battery
The Sennheiser CX 120BT operate with a built-in battery, providing a playback time of 8.5 hours of continuous audio. The battery capacity is 100 mAh, ensuring prolonged use without interruptions. The charging time is 1.5 hours, and the charging source is via USB, allowing for efficient and convenient charging.
