Sennheiser HD 450SE SEBT4 Instruction Manual

Sennheiser HD 450SE SEBT4 manual cover
Pages 36
Year 2021
Language(s)
English en

Sennheiser HD 450SE SEBT4 Specification

The Sennheiser HD 450SE SEBT4 is a premium wireless over-ear headphone designed to deliver superior sound quality and comfort. It features Bluetooth 5.0 technology, ensuring a reliable and seamless wireless connection with supported devices. The headphones are equipped with active noise cancellation (ANC) technology, which effectively reduces ambient noise for an immersive listening experience. They support high-quality audio codecs such as AAC and aptX, including aptX Low Latency, providing a smooth and synchronized audio experience, especially useful for video watching and gaming.

The HD 450SE boasts a frequency response range from 18 Hz to 22,000 Hz, allowing it to reproduce a wide spectrum of sound with exceptional clarity and depth. Its dynamic drivers are engineered to produce balanced audio with deep bass, clear mids, and crisp highs. The headphones are powered by a long-lasting battery that offers up to 30 hours of playback time with ANC activated, ensuring extended listening sessions without frequent charging. Charging is facilitated via a USB-C port, providing convenience and faster charging times.

Designed for comfort and durability, the HD 450SE features a foldable design with plush ear cups and an adjustable headband, making it suitable for extended wear. The headphones also include a built-in microphone for clear voice calls and easy access to voice assistants like Siri and Google Assistant. With intuitive touch controls on the ear cups, users can effortlessly manage music playback, adjust volume, and handle calls. The Sennheiser Smart Control app further enhances the user experience by offering customization options such as equalizer settings and firmware updates, making the HD 450SE a versatile and user-friendly audio solution.

Sennheiser HD 450SE SEBT4 F.A.Q.

How do I pair my Sennheiser HD 450SE SEBT4 with a Bluetooth device?

To pair your Sennheiser HD 450SE SEBT4 with a Bluetooth device, turn on the headphones and hold the power button until you hear a voice prompt indicating that pairing mode is active. Then, on your Bluetooth device, search for available devices and select 'HD 450SE SEBT4' from the list.

What should I do if my headphones are not charging?

If your headphones are not charging, ensure that the charging cable is properly connected to both the headphones and a power source. Check the cable and port for any visible damage. If the issue persists, try using a different charging cable or adapter.

How can I reset my Sennheiser HD 450SE SEBT4 headphones?

To reset your Sennheiser HD 450SE SEBT4 headphones, turn them off, then press and hold the power button for about 10 seconds until the LED flashes red and blue alternately. This indicates that the headphones have been reset to factory settings.

How do I update the firmware on my Sennheiser HD 450SE SEBT4?

To update the firmware, download the Sennheiser Smart Control app on your smartphone. Connect your headphones to the app, and if a firmware update is available, the app will guide you through the update process.

What is the best way to clean my headphones?

To clean your headphones, use a soft, slightly damp cloth to wipe the exterior surfaces. Avoid using any harsh chemicals or submerging the headphones in water. For the ear pads, a dry cloth or a small brush can help remove any debris.

How can I improve the noise cancellation on my HD 450SE SEBT4?

Ensure that the ear cups are properly aligned and fit snugly over your ears. Use the Sennheiser Smart Control app to adjust the noise cancellation settings and make sure the firmware is up to date for optimal performance.

Why is the sound quality poor during phone calls?

Poor sound quality during calls can be due to weak Bluetooth signal or interference. Ensure your phone is within range and free from obstructions. Also, check if there is any interference from other devices and ensure the headphones' firmware is updated.

Can I use the HD 450SE SEBT4 while wired, and how?

Yes, you can use the HD 450SE SEBT4 with a wired connection. Simply connect the included audio cable to the headphones and your device's headphone jack. This can be useful when the battery is low or for devices without Bluetooth.

How do I activate the voice assistant feature?

To activate the voice assistant, press the dedicated voice assistant button on the headphones. Make sure your device has a compatible voice assistant app enabled, such as Siri or Google Assistant.

What should I do if the headphones keep disconnecting from my device?

If the headphones keep disconnecting, ensure they are within the Bluetooth range and there are no physical obstructions. Try resetting the Bluetooth connection by removing the device from your paired list and pairing it again.