Sennheiser HD 4.50R Quick Guide

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Sennheiser HD 4.50R Specification

The Sennheiser HD 4.50R is a closed-back, over-ear wireless headphone designed to deliver high-quality sound and exceptional comfort for extended listening sessions. It features Bluetooth 4.0 with aptX technology, ensuring seamless and high-fidelity audio streaming. The headphones are equipped with Sennheiser's NoiseGard active noise cancellation, which effectively reduces ambient noise and enhances the listening experience in noisy environments. The HD 4.50R boasts a robust frequency response range of 18Hz to 22kHz, providing deep bass and clear treble for a balanced sound profile.

The headphones incorporate ergonomically designed earcups and a padded headband, ensuring a comfortable fit for prolonged use. The intuitive earcup-mounted controls allow users to easily manage music playback and phone calls. A built-in microphone facilitates clear voice transmission during calls. The HD 4.50R offers up to 19 hours of wireless listening with NoiseGard activated and can be used in passive mode with the included detachable audio cable for uninterrupted audio even when the battery is depleted.

Constructed with high-quality materials, the HD 4.50R is both durable and stylish, making it suitable for on-the-go use. The foldable design enhances portability, allowing for easy storage in the included carrying case. The headphones support multi-connectivity, enabling simultaneous pairing with two devices, which is ideal for users who frequently switch between their phone and laptop. Overall, the Sennheiser HD 4.50R combines advanced audio technology, effective noise cancellation, and user-friendly design, making it a versatile option for music enthusiasts and travelers seeking premium sound quality in a wireless format.

Sennheiser HD 4.50R F.A.Q.

How do I pair my Sennheiser HD 4.50R with a Bluetooth device?

To pair your Sennheiser HD 4.50R with a Bluetooth device, turn on the headphones and press the power button for 4 seconds until you hear a voice prompt or see the LED flash blue and red alternately. Enable Bluetooth on your device and select 'HD 4.50R' from the list of available devices.

What should I do if my Sennheiser HD 4.50R headphones are not charging?

If your headphones are not charging, ensure the USB cable is connected securely to both the headphones and a power source. Try using a different charging cable or adapter. If the issue persists, check the charging port for debris or contact Sennheiser support.

How can I reset my Sennheiser HD 4.50R headphones?

To reset your Sennheiser HD 4.50R headphones, turn them off, then press and hold the power button and volume up button simultaneously for about 5 seconds until the LED flashes purple. This will reset the headphones to factory settings.

What is the best way to clean and maintain my Sennheiser HD 4.50R headphones?

To clean your headphones, use a soft, damp cloth to wipe the ear pads and headband. Avoid using any harsh chemicals or submerging the headphones in water. Regularly check for dust and debris in the ear cups and charging port.

How do I update the firmware on my Sennheiser HD 4.50R?

To update the firmware, download the Sennheiser Smart Control app on your smartphone. Connect your headphones via Bluetooth and open the app. If a firmware update is available, you will be prompted to download and install it.

Can I use my Sennheiser HD 4.50R headphones while charging?

Yes, you can use the HD 4.50R headphones while they are charging. However, they need to be connected via the provided audio cable, as Bluetooth functionality is disabled during charging.

What should I do if there is no sound coming from my Sennheiser HD 4.50R headphones?

First, ensure the headphones are properly paired with your device. Check the volume settings on both the headphones and the connected device. If using the audio cable, ensure it is securely connected. Restart both devices if necessary.

How do I enable or disable the NoiseGard feature on my Sennheiser HD 4.50R?

To enable or disable NoiseGard, simply press the NoiseGard button located on the right ear cup of the headphones. A voice prompt will confirm the status of the noise cancellation feature.

What is the battery life of the Sennheiser HD 4.50R and how can I maximize it?

The Sennheiser HD 4.50R offers up to 19 hours of battery life with Bluetooth and NoiseGard active. To maximize battery life, disable NoiseGard when not needed and ensure the headphones are fully charged before use.

How can I improve the Bluetooth connection stability of my Sennheiser HD 4.50R?

To improve Bluetooth connection stability, ensure your device is within range and reduce interference by avoiding obstacles and other electronic devices. Keeping your device's firmware updated can also help maintain a stable connection.