Sennheiser HD 4.40BT Instruction Manual

Sennheiser HD 4.40BT manual cover
Pages 37
Year 2017
Language(s)
English en

Sennheiser HD 4.40BT Specification

The Sennheiser HD 4.40BT is a wireless Bluetooth headset designed for high-quality audio performance and user comfort. It features Bluetooth 4.0 technology with aptX support, ensuring high-fidelity sound with robust bass and crisp treble. The over-ear design incorporates dynamic drivers that deliver a frequency response ranging from 18Hz to 22kHz, offering an immersive listening experience across a wide spectrum of sound. The headset comes equipped with intuitive ear-cup mounted controls for easy management of music and calls, supported by an integrated microphone for clear voice transmission.

The HD 4.40BT is engineered for portability and convenience, featuring a foldable design that facilitates easy storage and transport. The headband and ear cups are cushioned with soft, high-quality materials to provide extended comfort during prolonged use. The headset boasts an impressive battery life, offering up to 25 hours of wireless playback on a single charge. It also supports NFC technology for effortless pairing with compatible devices.

For wired listening, the HD 4.40BT includes an audio cable with a 3.5mm jack, allowing users to connect directly to devices when wireless functionality is not required. It is compatible with a wide range of devices, including smartphones, tablets, and computers, providing versatile connectivity options. The package includes a USB charging cable and a carrying case for added protection during travel. With its combination of superior sound quality, user-friendly design, and long-lasting battery life, the Sennheiser HD 4.40BT is an excellent choice for both casual listeners and audio enthusiasts seeking a reliable wireless listening solution.

Sennheiser HD 4.40BT F.A.Q.

How do I pair my Sennheiser HD 4.40BT with a Bluetooth device?

To pair your Sennheiser HD 4.40BT, turn on the headphones and hold the power button for 4 seconds until you hear a voice prompt saying "Pairing" and the LED flashes blue and red. Then, enable Bluetooth on your device and select "HD 4.40BT" from the list of available devices.

What should I do if my headphones are not charging?

If your headphones are not charging, ensure that the USB cable is properly connected to both the headphones and a power source. Try using a different USB cable or power adapter. If the issue persists, check the charging port for debris and clean it carefully if needed.

How can I reset my Sennheiser HD 4.40BT headphones?

To reset your headphones, turn them off. Then, press and hold both the power button and the volume down button simultaneously for 5 seconds until the LED flashes purple three times. This will reset the headphones to their factory settings.

What is the battery life of the Sennheiser HD 4.40BT?

The Sennheiser HD 4.40BT headphones offer up to 25 hours of battery life on a full charge, depending on the volume level and usage conditions.

How do I clean and maintain my Sennheiser HD 4.40BT headphones?

To clean your headphones, gently wipe the ear pads and headband with a soft, dry cloth. Avoid using any liquids or harsh chemicals. Store them in a protective case when not in use to prevent dust accumulation.

Can I use the Sennheiser HD 4.40BT while charging?

Yes, you can use the Sennheiser HD 4.40BT headphones while they are charging. However, using them in wired mode with the audio cable may be more convenient during charging.

How do I update the firmware of my Sennheiser HD 4.40BT?

To update the firmware, download the Sennheiser Smart Control app on your smartphone. Connect your headphones to the app and follow the instructions for updating the firmware to the latest version.

What should I do if my headphones keep disconnecting from Bluetooth?

If your headphones keep disconnecting, ensure they are within the Bluetooth range of the device. Check for any interference from other electronic devices and try re-pairing the headphones. Updating the firmware might also resolve connectivity issues.

How can I improve sound quality on my Sennheiser HD 4.40BT?

To enhance sound quality, ensure a good seal by adjusting the ear pads for comfort and fit. Use a high-quality audio source and check for any equalizer settings on your device that may affect audio performance.

Are the Sennheiser HD 4.40BT headphones water-resistant?

No, the Sennheiser HD 4.40BT headphones are not water-resistant. Avoid exposing them to moisture or use in rainy conditions to prevent damage.