Sennheiser HD 400S Safety Guide

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Year 2019

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Sennheiser HD 400S Specification

The Sennheiser HD 400S is a dynamic, closed-back over-ear headphone designed to deliver exceptional audio quality with a focus on clarity and comfort. It features a robust and lightweight construction, making it ideal for both home and on-the-go use. The headphones are equipped with proprietary Sennheiser transducers that provide a well-balanced sound profile with enhanced bass response, ensuring an immersive listening experience across various music genres.

The HD 400S comes with a single-button in-line remote and microphone integrated into the detachable cable, allowing for easy control of music playback and taking calls on compatible devices without needing to access the device directly. The high-quality microphone ensures clear voice capture during calls. The headphones' ergonomic design includes soft, replaceable ear pads and an adjustable padded headband, offering prolonged comfort during extended listening sessions.

With an impedance of 18 ohms, the HD 400S is compatible with a wide range of audio sources, including smartphones, tablets, and laptops, without requiring an additional amplifier. The frequency response ranges from 18 to 20,000 Hz, ensuring a comprehensive reproduction of both low and high frequencies. The total harmonic distortion is kept below 0.5% for accurate sound reproduction. The cable length is approximately 1.4 meters, offering flexibility and ease of movement.

Designed with portability in mind, the HD 400S can be easily folded for convenient storage and transportation. A 3.5 mm right-angled plug provides compatibility with most audio devices, ensuring a secure connection. Overall, the Sennheiser HD 400S combines high-quality audio performance with practical features, making it a versatile choice for music enthusiasts seeking reliability and comfort in their headphones.

Sennheiser HD 400S F.A.Q.

How do I properly connect my Sennheiser HD 400S to a smartphone?

To connect your Sennheiser HD 400S to a smartphone, simply plug the 3.5mm audio jack into the headphone port of your smartphone. Ensure that the connection is secure for optimal audio quality.

What is the best way to clean and maintain my HD 400S headphones?

To clean your HD 400S headphones, use a soft, dry cloth to wipe the ear pads and headband. Avoid using any liquids or cleaning agents. Store the headphones in a cool, dry place when not in use.

How can I troubleshoot audio issues with my Sennheiser HD 400S?

If you experience audio issues, check the connection to ensure the audio jack is fully inserted. Test the headphones with different devices to rule out device-specific problems. Additionally, inspect the cable for any visible damage.

Are there any special storage recommendations for the HD 400S headphones?

Store your HD 400S headphones in a protective case or pouch to prevent dust accumulation and physical damage. Keep them in a dry environment away from direct sunlight and extreme temperatures.

Can I use the HD 400S headphones for gaming?

Yes, the HD 400S headphones can be used for gaming. They provide clear audio quality, but note that they do not come with a built-in microphone or surround sound capabilities.

What should I do if my HD 400S headphones aren't producing sound?

Ensure the headphones are properly connected to the device. Try using a different audio source to determine if the issue is with the headphones or the original device. Check the volume settings on both the headphones (if applicable) and the device.

How do I replace the ear pads on my Sennheiser HD 400S?

To replace the ear pads, gently pull the old pads away from the ear cups. Align the new pads with the ear cups and press firmly until they snap into place. Ensure they are securely attached before use.

Is the cable of the HD 400S detachable?

Yes, the cable of the HD 400S is detachable, making it easy to replace if necessary or for convenient storage.

Can the HD 400S be used with a computer or laptop?

Yes, the HD 400S can be used with a computer or laptop that has a 3.5mm audio jack. Simply plug the headphones into the audio output port.

What should I do if the microphone on my HD 400S is not working?

Ensure that the headphone cable is fully inserted into the device. Check if your device recognizes the microphone by accessing the sound settings. Test the microphone with another device to rule out device-specific issues.