Table of Contents
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Table of Contents
Related Manuals for Sennheiser HD 4.50BTNC, HD 4.50R
Summary of Contents for Sennheiser HD 4.50BTNC, HD 4.50R
- Page 1 HD 4.50BTNC HD 4.50R Wireless headphones SCBT7 Instruction manual...
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Page 2: Table Of Contents
Contents Contents Important safety instructions ...................2 The HD 4.50BTNC/HD 4.50R Wireless headphones ..........4 Package includes ......................6 Product overview ......................7 Overview of the headphones ..................7 Overview of pictograms ..................... 7 Overview of the LED indications ................9 Overview of buttons ....................10 Getting started ...................... -
Page 3: Important Safety Instructions
Protect your hearing from high volume levels. Permanent hearing damage may occur when headphones are used at high volume levels for long periods of time. Sennheiser headphones sound exceptionally good at low and medium volume levels. Keep the headphones at least 10 cm/3.94" from cardiac pacemakers or implanted defibrillators. - Page 4 It is considered improper use when this product is used for any application not named in the associated instruction manuals and product guides. Sennheiser does not accept liability for damage arising from abuse or misuse of this product and its attachments/accessories.
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Page 5: The Hd 4.50Btnc/Hd 4.50R Wireless Headphones
The HD 4.50BTNC/HD 4.50R Wireless headphones The HD 4.50BTNC/HD 4.50R Wireless headphones The HD 4.50BTNC/HD 4.50R Wireless headphones offer great sound quality for every day listening on the move. These headphones are the perfect companion for your mobile devices, providing you with unrivalled listening pleasure and easy communication with their NoiseGard™... - Page 6 The HD 4.50BTNC/HD 4.50R Wireless headphones Bluetooth The headphones comply with the Bluetooth 4.0 standard and are compatible with all Bluetooth 1.1, 1.2, 2.0, 2.1, 3.0 and 4.0 devices with the following Bluetooth profiles: HFP (Hands-Free Profile), HSP (Headset Profile), AVRCP (Audio Video Remote Control Profile) and A2DP (Advanced Audio Distribution Profile).
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Page 7: Package Includes
Audio cable with 2.5 mm and 3.5 mm jack plug USB charging cable with micro-USB connector Quick guide Quick guide Safety guide Safety guide A list of accessories can be found at www.sennheiser.com. For information on suppliers, contact your local Sennheiser partner: www.sennheiser.com > “Sales Partner”. HD 4.50BTNC/HD 4.50R... -
Page 8: Product Overview
Product overview Product overview Overview of the headphones Headband Power button Ear pads Multifunction button Ear cups Volume buttons NFC panel Audio input Micro-USB input Overview of pictograms Pictograms for pressing a button Pictogram Meaning Press and immediately release the button Press the button twice Press the button and hold for 5 seconds HD 4.50BTNC/HD 4.50R... - Page 9 Product overview Pictograms for the LED Pictogram Meaning The LED lights up The intervals signify flashing The LED lights up/flashes continuously The time the LED lights up before blinking Examples of pictograms that may be used in this manual: Pictogram Meaning The LED flashes continuously The LED lights up for 3 seconds, then off, and repeat...
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Page 10: Overview Of The Led Indications
Product overview Overview of the LED indications LED indications during operation Meaning The headphones switch on Pairing/connecting with a device is successful The headphones switch off The headphones are disconnected from the device The headphones are outside the Bluetooth range of the device Pairing with a device is unsuccessful The headphones are in pairing mode The device is/devices are successfully cleared... -
Page 11: Overview Of Buttons
Product overview Overview of buttons Power button Press Function Page Switches the headphones on and off button Activates/deactivates NoiseGard (audio cable connection with sufficient battery life) Multifunction button Press Function Page Accepts/ends a call Accepts an incoming call and holds the active call Plays/pauses a track Redials the last number called Holds/unholds a call... - Page 12 Product overview Volume +/- buttons Press Function Page Increases/decreases the volume HD 4.50BTNC/HD 4.50R | 11...
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Page 13: Getting Started
Getting started Getting started Charging basics A complete charging cycle takes about 2 hours. Before using the headphones for the first time, charge the headphones for a complete charging cycle without interruption. When the battery is almost empty or when the headphones are being charged, the LED lights up or flashes as indicated in the following table and a voice prompt announces the charge condition of the battery. - Page 14 Getting started Charging the headphones Connect the micro-USB plug of the charging cable to the micro-USB input of the headphones. Connect the USB plug to the USB port of your computer. If you are using an external power adapter, connect the USB plug to the power adapter or to the USB car charger adapter, and connect to the power source.
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Page 15: Pairing The Headphones
Getting started Pairing the headphones CAUTION Danger of malfunction! The transmitted radio waves of mobile phones can impair the operation of sensitive and unprotected devices. Only make calls with the headphones in locations where Bluetooth is permitted. The HD 4.50BTNC/HD 4.50R Wireless headphones comply with the Bluetooth 4.0 standard. - Page 16 Getting started Pairing the headphones with a Bluetooth device using NFC The following sections describe, using a smartphone as an example, how to pair your HD 4.50BTNC/HD 4.50R Wireless headphones with a Bluetooth device using NFC. If the instructions provided do not work on your device, proceed as described in the instruction manual of the device.
- Page 17 Getting started Pairing the headphones with a Bluetooth device Ensure that the headphones are within the 20 cm range of your smartphone when performing this procedure. Switch the headphones on (see page 19). – If you pair the headphones to the device for the first time, they automatically go to pairing mode.
- Page 18 Getting started Disconnecting the headphones from your Bluetooth device Deactivate Bluetooth on your smartphone. The headphones are disconnected from the smartphone. The headphones then search for other paired devices. If no device is found, you hear the voice prompt “lost connection”. The headphones go to idle mode. ›...
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Page 19: Adjusting The Headband
Getting started Adjusting the headband For good sound quality and best possible wearing comfort, you can adjust the ear pad location on the headband to properly match the size of your head. Wear the headphones so that the headband runs over the top of your head. Adjust the location of the ear pads by moving the ear cups up and down the headband slider until: –... -
Page 20: Using The Headphones
Using the headphones Using the headphones Switching the headphones on WARNING Danger due to high volume levels! Listening at high volume levels for long periods of time can lead to permanent hearing defects. Before putting the headphones on, set the volume to a low level. Do not continuously expose yourself to high volume levels. -
Page 21: Adjusting The Volume
Using the headphones Adjusting the volume WARNING Danger due to high volume levels! Listening at high volume levels for long periods of time can lead to permanent hearing defects. Switching between audio sources may cause enormous volume jumps that can permanently damage your hearing. -
Page 22: Using Noisegard
Using the headphones Using NoiseGard The HD 4.50BTNC/HD 4.50R Wireless headphones provides excellent attenuation of ambient noise using the NoiseGard Active Noise Cancellation technology. You can activate or deactivate NoiseGard if your headphones are connected to the smartphone using Bluetooth or the audio cable. Activating/deactivating NoiseGard when connected via Bluetooth Simultaneously press and hold the Volume buttons. -
Page 23: Playing Music
Playing music Playing music If your audio source supports the aptX® audio codec, the HD 4.50BTNC/HD 4.50R Wireless automatically plays music wirelessly in stunning aptX® audio quality. If your audio source does not support aptX®, the HD 4.50BTNC/HD 4.50R Wireless plays music in normal audio quality. -
Page 24: Controlling Music Playback
Playing music Controlling music playback The following music functions are only available when the headphones and your device are connected via Bluetooth. Some smartphones, music apps or players may not support all functions. Playing/pausing track Quickly press the multifunction button. Press Function Plays or pauses music... -
Page 25: Making Calls On The Headphones
Making calls on the headphones Making calls on the headphones The following call functions are only available if the headphones and smartphone are connected via Bluetooth. Some smartphones may not support all functions. Making a call Dial the desired number on your smartphone. If your smartphone does not automatically transfer the call to the headphones, select the HD 4.50BTNC/HD 4.50R Wireless as the audio source on your smartphone (see the instruction manual of your smartphone... - Page 26 Making calls on the headphones Transferring a call to/from the headphones When a call has been established, you can transfer the call between the head- phones and the smartphone. Press the multifunction button and hold for 2 seconds. Press Function Transfers a call from the headphones to the smartphone Transfers a call from the smartphone to the...
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Page 27: Voice Control Function
Making calls on the headphones Voice control function The voice control function is only supported by Bluetooth smartphones with HFP profile. You can use this function when the headphones are not actively playing music or are used for making calls. Press the multifunction button and hold for 2 seconds. -
Page 28: Using The Audio Cable
Using the audio cable Using the audio cable Use the audio cable to listen to music when the headphones are running out of battery or when Bluetooth transmission is restricted or not allowed. The headphones immediately switch off once the audio cable is plugged into the audio input. -
Page 29: Care And Maintenance
Replacing the ear pads For reasons of hygiene, you should replace the ear pads from time to time. Spare ear pads are available from your local Sennheiser partner. Lightly pull the ear pad away from ear cup until it is detached. -
Page 30: Storage And Handling
Care and maintenance Storage and handling To keep the headphones in good condition and to avoid nicks and scratches, fold the ear cups inwards towards the headband and store the headphones in the carry case when not in use or when carrying them around. HD 4.50BTNC/HD 4.50R | 29... -
Page 31: Replacing/Removing The Rechargeable Battery
Contact your Sennheiser service center if the rechargeable battery needs to be replaced or removed. To find a Sennheiser service partner in your country, visit www.sennheiser.com. Outside the warranty period, the rechargeable batteries may be replaced or re- moved by any qualified service center in an appropriate manner. -
Page 32: Troubleshooting
If you encounter a problem that is not listed in the table, or if the solutions provided do not work, please contact an authorized Sennheiser service partner for assistance. To find a Sennheiser service partner in your country, visit www.sennheiser.com. -
Page 33: Leaving The Bluetooth Transmission Range
Troubleshooting Leaving the Bluetooth transmission range Wireless calling and streaming are only possible in the Bluetooth transmission range of your smartphone. The transmission range largely depends on environmental conditions such as wall thickness, wall composition etc. With a free line of sight, the transmission range of most smartphones and Bluetooth devices is up to 10 meters. -
Page 34: Specifications
Specifications Specifications HD 4.50BTNC/HD 4.50R Wireless Ear coupling closed, circumaural Frequency response 18 - 22,000 Hz Transducer principle dynamic Sensitivity (microphone) 100 - 10,000 Hz Sound pressure level (SPL) 113 dB (1 kHz / 1 V THD (1 kHz, 100 dB) <... -
Page 35: Trademarks
Co. KG. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sennheiser electronic GmbH & Co. KG is under license. The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries. - Page 36 Sennheiser Communications A/S Industriparken 27, DK-2750 Ballerup, Denmark www.sennheiser.com Publ. 07/19, A02...