Sennheiser HD 450BT SEBT4 Quick Guide

Sennheiser HD 450BT SEBT4 manual cover
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Year 2020
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Sennheiser HD 450BT SEBT4 Specification

The Sennheiser HD 450BT SEBT4 is a premium wireless headphone model designed to deliver exceptional sound quality and versatility. It features Bluetooth 5.0 connectivity, ensuring a stable and efficient wireless experience with aptX Low Latency support, which minimizes audio lag for a seamless audio-visual synchronization. The headphones are equipped with active noise cancellation technology that effectively reduces ambient noise, allowing users to enjoy an immersive listening experience in various environments.

The HD 450BT SEBT4 boasts a robust battery life of up to 30 hours on a single charge, making it ideal for extended use without frequent recharging. The headphones come with a USB-C charging interface that supports fast charging capabilities, providing several hours of playback with just a short charging session. Additionally, they include a foldable design, enhancing portability and ease of storage, making them perfect for travel.

These headphones are crafted with comfort in mind, featuring soft ear pads and an adjustable headband that ensure a snug fit for long listening sessions. Users can personalize their audio experience through the Sennheiser Smart Control app, which offers an equalizer and firmware updates. The built-in microphone allows for clear voice calls and easy interaction with voice assistants, adding convenience to everyday use.

The Sennheiser HD 450BT SEBT4 also supports a wired listening option via the included audio cable, providing flexibility for connection to non-Bluetooth devices. Overall, the HD 450BT SEBT4 combines high-fidelity sound, advanced noise cancellation, and user-friendly features, making it a versatile choice for audiophiles and casual listeners alike.

Sennheiser HD 450BT SEBT4 F.A.Q.

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

To pair your Sennheiser HD 450BT, turn on the headphones and press the power button for about 4 seconds until you hear the voice prompt “Pairing” and the LED flashes blue and red. Then, enable Bluetooth on your device and select "HD 450BT" from the list of available devices.

What should I do if my HD 450BT headphones are not charging?

First, ensure that the USB-C charging cable is securely connected to both the headphones and a power source. Try using a different charging cable or power adapter. If the problem persists, check for debris in the charging port and clean it carefully.

How can I reset my HD 450BT headphones to factory settings?

To reset your HD 450BT headphones, simultaneously press and hold the Volume Up and Volume Down buttons for about 5 seconds until you hear the voice prompt “Reset”. This will clear all pairing settings.

How do I activate noise cancellation on the Sennheiser HD 450BT?

To activate noise cancellation, press the Noise Cancellation (NC) button located on the right earcup. You will hear a tone indicating that noise cancellation is active. Press the button again to turn it off.

What is the best way to clean my Sennheiser HD 450BT headphones?

Use a soft, dry cloth to gently wipe the external surfaces of the headphones. Avoid using any liquids or abrasive materials. For the ear pads, you can use a slightly damp cloth if necessary, but ensure they are dried thoroughly before use.

How can I update the firmware on my HD 450BT headphones?

Download the Sennheiser Smart Control app on your smartphone. Connect your headphones to the app, and if a firmware update is available, follow the on-screen instructions to update your device.

Why is the sound distorted on my HD 450BT headphones?

Ensure that the audio source is not set to maximum volume, as this can cause distortion. Check for any interference from other wireless devices and try re-pairing the headphones with your device. If the problem persists, test the headphones with another audio source.

What is the battery life of the Sennheiser HD 450BT?

The Sennheiser HD 450BT offers up to 30 hours of battery life with Bluetooth and active noise cancellation enabled. Battery life may vary depending on usage and environmental conditions.

Can I use my HD 450BT headphones while they are charging?

Yes, you can use the HD 450BT headphones while they are charging. However, it is recommended to charge them when they are not in use to ensure optimal battery performance.

How do I check the battery level on my HD 450BT headphones?

To check the battery level, press the power button once while the headphones are on. The LED will flash to indicate the battery level: green for high, yellow for medium, and red for low. You can also check the battery level in the Sennheiser Smart Control app.