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Headphone Sennheiser HD 350BT

Sennheiser
Audio
Headphone

The Sennheiser HD 350BT headphones are designed to provide an immersive audio experience and comfort. Featuring wireless Bluetooth 5.0 connectivity, they allow for convenient use without the constraints of cables, while ensuring a fast and efficient connection with your compatible devices.

With an in-ear coupling and a closed acoustic system, these headphones ensure optimal sound isolation, allowing you to enjoy your music without distractions. Their extended frequency range of 18 to 22,000 Hz and an impedance of 30 Ohm guarantee clear and powerful audio quality, ideal for audiophiles.

The Sennheiser HD 350BT is equipped with a built-in omnidirectional microphone, providing excellent sound quality for calls and recordings. Its built-in 300 mAh battery allows for up to 30 hours of continuous audio playback, with a quick recharge time of just 2 hours.

Weighing only 238 g, these headphones are lightweight and comfortable for extended use. They are also designed to withstand a wide range of temperatures and humidity, ensuring optimal performance in various conditions.

In summary, the Sennheiser HD 350BT combines comfort, audio performance, and practicality, making it an ideal choice for music lovers and professionals on the go.

Manuals of product HD 350BT

First page image of the manual for HD 350BT

User Manual
30 pages
View manual
First page image of the manual for HD 350BT

Quick Start Guide
3 pages
View manual
First page image of the manual for HD 350BT

Safety Instructions
4 pages
View manual
8 10

Editorial note

The Sennheiser HD 350BT headphones stand out for their excellent battery life of 30 hours of continuous playback, allowing for uninterrupted music enjoyment, which is particularly appreciated during travel. Their Bluetooth 5.0 wireless connectivity ensures a fast and stable connection with other devices, providing a smooth listening experience. Designed with a closed acoustic system and in-ear coupling, these headphones guarantee optimal sound immersion and prolonged comfort. Additionally, the integrated MEMS microphone allows for quality recordings, although its omnidirectional nature may pick up unwanted background noise. However, some drawbacks deserve to be highlighted. The lack of a 3.5 mm connector and USB port limits their compatibility with certain devices. Furthermore, while the 2-hour charging time is reasonable, it may seem long for users in a hurry. Finally, although the weight of 238 g is acceptable for extended use, it may be perceived as a bit heavy compared to other lighter models. Overall, the Sennheiser HD 350BT offers a quality audio experience, but their use may be restricted by certain technical limitations.

Score details

User experience

The user experience is very positive thanks to the in-ear design and closed acoustic system, ensuring optimal sound immersion and prolonged listening comfort.

Performance

The audio performance is excellent with a wide frequency range, but the omnidirectional microphone can pick up unwanted background noise.

Battery life

The battery life is remarkable with 30 hours of continuous playback, although the 2-hour charging time may seem long for some users.

Design

The design is modern and lightweight, weighing only 238 g, but some users might find it a bit heavy compared to other models.

connectivity

The Bluetooth 5.0 wireless connectivity is fast and stable, but the lack of a 3.5 mm connector and USB connectivity limits its use with certain devices.

Advantages

30 hours of reading autonomy.

Bluetooth 5.0 for stable connection.

In-ear design for sound immersion.

MEMS microphone for clear recordings.

Lightweight at 238 g.

Disadvantages

No 3.5 mm connector available

Lack of USB connectivity

2-hour charging time

Slightly high weight (238 g)

Microphone picks up background noise

Limited by extreme temperatures

Technical Specifications HD 350BT

General Information

Representation / realization

  • Product type
    Headphones
  • Portable headset style
    Headband
  • Recommended use
    Music
  • Product color
    Black
  • Type of headset
    Binaural
  • Order type
    Buttons, Rotary

Microphone

  • Microphone type
    Integrated
  • Microphone MEMS (Micro-Electro-Mechanical System)
    Yes
  • Microphone frequency
    80 - 6000 Hz
  • Microphone direction type
    Omnidirectional

Connectivity

  • Connectivity technology
    Wireless
  • USB Connectivity
    No
  • USB Connectivity
    No
  • Bluetooth
    Yes
  • Bluetooth model
    5.0
  • Bluetooth Profiles
    A2DP, AAC, AVRCP, HFP, HSP, SBC

Headphones/Earphones

  • Ear coupling
    Circum-aural
  • Headphone frequency
    18 - 22000 Hz
  • Impedance
    30 Ohm
  • Acoustic system
    Closed
  • Driver type
    Dynamic
  • Reading unit
    32 mm
  • Headset sensitivity
    108 dB
  • DHT, total harmonic distortion
    0.3 %

Battery

  • Works on batteries
    Yes
  • Battery type
    Built-in battery
  • Battery technology
    Lithium Polymer (LiPo)
  • Battery voltage
    3.7 V
  • Battery capacity
    300 mAh
  • Battery recharge time
    2 h
  • Streaming audio playback
    30 h

Environmental conditions

  • Operating temperature
    0 - 40 °C
  • Temperature out of operation
    -20 - 60 °C
  • Operating relative humidity (H-H)
    10 - 80 %
  • Relative humidity rate (storage)
    10 - 90 %

Packaging contents

  • Quantity
    1

Weight and dimensions

  • Weight
    238 g

Supplier Features

  • Battery life
    1800 min

Frequently Asked Questions

When does the volume become too high?
A volume of 80 decibels can be harmful to hearing. If the volume reaches 120 decibels, damage can occur immediately. The risk of hearing damage varies depending on the duration and frequency of listening.
Is it possible to make hands-free calls with my headphones?
Recent headphones generally come equipped with a built-in microphone that allows for making calls.
What is noise cancellation?
Noise cancellation is used to reduce surrounding sounds.
What is Bluetooth?
Bluetooth allows for the wireless transmission of data between electronic devices via radio waves. Generally, the range of this connection can reach up to ten meters.
What is the weight of the Sennheiser HD 350BT headphones?
The Sennheiser HD 350BT headphones weigh 238 grams.
How long does it take to charge the battery of the Sennheiser HD 350BT?
The battery of the Sennheiser HD 350BT charges in 2 hours.
How do I connect my Sennheiser HD 350BT headphones to my device?
To connect your Sennheiser HD 350BT headphones to a device, first turn on the headphones and enable Bluetooth on your device. Then, search for available Bluetooth devices and select the HD 350BT. Follow the on-screen instructions for pairing.
How do I adjust the volume on my Sennheiser HD 350BT headphones?
To adjust the volume of your HD 350BT headphones, locate the volume buttons on the earcup. Press the upper button to increase the volume and the lower button to decrease it, according to your preference.
How do I answer or end a call with my Sennheiser HD 350BT headphones?
To answer a call, press the multifunction button on the earcup. To end the call, press the same button again. This allows you to easily switch from music to calls without touching your phone.
What is the procedure for charging my Sennheiser HD 350BT headphones?
To charge your HD 350BT headphones, locate the USB-C charging port at the bottom of the right earcup. Insert the provided USB-C cable into the port, then connect the other end to a power source such as a computer, wall adapter, or power bank. The headphones will start charging automatically.
How do I access voice assistant functions with my Sennheiser HD 350BT headphones?
To use voice assistant functions, press and hold the multifunction button on the earcup for a few seconds. This will activate the voice assistant on your connected device, allowing you to interact using voice commands or specific instructions from the assistant.
Does the Sennheiser HD 350BT have a 3.5 mm connector?
No, the Sennheiser HD 350BT does not have a 3.5 mm connector, which prevents a direct connection with devices that have this jack.
Does the Sennheiser HD 350BT have USB connectivity?
No, the Sennheiser HD 350BT does not offer USB connectivity, meaning it cannot connect to devices via a USB port.
Is the Sennheiser HD 350BT compatible with Bluetooth?
Yes, the Sennheiser HD 350BT supports Bluetooth, allowing for a wireless connection with compatible devices, providing convenience and flexibility.
What is the impedance of the Sennheiser HD 350BT headphones?
The impedance of the Sennheiser HD 350BT is 30 Ω, which means it has a relatively low impedance, making it easy to use with most devices.
Does the Sennheiser HD 350BT have a MEMS microphone?
Yes, the Sennheiser HD 350BT includes a MEMS microphone, allowing it to provide clear and precise sound thanks to micro-electromechanical system technology, ideal for calls and voice recordings.
Is the manual for the Sennheiser HD 350BT available in French?
Yes, the manual for the Sennheiser HD 350BT is available in French.

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Presentation of product HD 350BT specifications from brand Sennheiser

General Information

The Sennheiser HD 350BT headphones, from a brand renowned for its excellence and innovation in audio, offer remarkable performance and an enhanced user experience. This model, referenced under the code HD 350BT | 508384, is easily identifiable thanks to its EAN codes: 0615104340855 and 4044155249668.

Design and Use

The Sennheiser HD 350BT are in-ear headphones, specially designed to provide prolonged comfort and optimal audio immersion. Their modern black color gives them an elegant aesthetic, while their binaural design ensures a rich sound experience. Recommended for music listening and perfectly suited for use with laptops, these headphones are equipped with intuitive button and rotary controls for easy handling.

Microphone

This model features a built-in MEMS microphone, ensuring excellent sound quality while remaining compact. With a frequency range of 80 to 6000 Hz, it allows for clear recordings and has omnidirectional directivity, capturing sounds from all directions for increased flexibility during calls or recordings.

Connectivity

The Sennheiser HD 350BT stand out for their wireless connectivity thanks to Bluetooth 5.0 technology, which ensures a fast and stable connection with other compatible devices. Although they do not include a 3.5 mm connector or USB connectivity, their various Bluetooth profiles (A2DP, AAC, AVRCP, HFP, HSP, SBC) ensure extensive compatibility with many devices.

Audio Performance

The headphones offer a wide frequency range of 18 to 22000 Hz for an immersive listening experience. Their impedance of 30 Ohm and closed acoustic system allow for effective sound isolation, while the 32 mm dynamic driver ensures rich sound reproduction. With a sensitivity of 108 dB and a low total harmonic distortion of 0.3 %, these headphones guarantee exceptional audio quality.

Battery

The Sennheiser HD 350BT operate with a built-in nickel-metal hybrid (NiMH) battery, offering an impressive battery life of 30 hours of continuous playback. Although the 2-hour charging time may seem long for some, it allows for prolonged use without interruption, with a capacity of 300 mAh and a voltage of 3.7 V.

Environmental Conditions

These headphones are designed to operate within a temperature range of 0 to 40 °C and can be stored in conditions ranging from -20 to 60 °C. Their operating relative humidity is 10 to 80 %, while the storage humidity level is 10 to 90 %, ensuring their durability in various conditions.

Weight and Dimensions

Packaging Contents

Each package contains one unit of the Sennheiser HD 350BT headphones, allowing you to start enjoying your music immediately.

Supplier Features

The battery life of these headphones is 1800 minutes, allowing for an extended listening experience without interruption.