Nedis HPRF320BK Wireless RF Headphones User Manual
- June 5, 2024
- nedis
Table of Contents
HPRF320BK Wireless RF Headphones
User Manual
Preface
Thank you for purchasing the Nedis HPRF320BK.
This document is the user manual and contains all the information for correct, efficient and safe use of the product.
This user manual is addressed to the end user. Read this information carefully before installing or using the product.
Always store this information with the product for use in the future.
Product description
Intended use
The Nedis HPRF320BK is a pair of wireless Over-Ear headphones.
It connects to the accompanied transmitter using radio frequencies.
The transmitter also functions as the charger for the headphones.
Any modification of the product may have consequences for safety, warranty and proper functioning.
Specifications
Headphone Type
|
Over-Ear headphones
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Article number
|
HPRF320BK
Frequency Range
|
2.402 – 2.483 Hz
Wireless Transmission effective distance
|
80 m
Maximum Playback Time
|
Up to 22 hours
Maximum Standby Time
|
Up to 24 hours
Maximum Charging time
|
Up to 3.5 hours
Frequency Response
|
20 Hz – 20 KHz
Maximum transmission power
|
10 dBm
Battery capacity
|
800 mA
Transmission Power Supply
|
5.9 VDC – 800 mA
Maximum Antenna gain
|
0 dBi
S/N ratio
|
90 dB
Parts list
|
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1. Transmitter
2. Headphones
3. Charging contacts
4. Power switch
5. Micro USB port
6. Volume wheel
7. Pair button
8. Audio port (3.5mm)
9. Channel balance wheel
10. Status indicator LED
11. Audio port (3.5mm)
12. Power supply port
13. Charging pins
14. Status indicator LED
15. Pair button
16. Power switch
17. Charging indicator LED
18. DC-5.9V power cable
19. 2 x 3.5 mm audio cable
20. USB cable
Safety instructions
WARNING
- Only use the product as described in this manual.
- Do not expose the product to water or moisture.
Installation
- Check the contents of the package
- Check that all parts from the parts list are present and that no damage is visible on the parts. If parts are missing or damaged, contact the Nedis B.V. service desk via the website: www.nedis.com.
Connecting the transmitter
1. Plug the provided audio cable p into the audio source.
2. Plug the other side of the audio cable into the audio port w on the back of the transmitter.
3. Plug the provided DC-5.9V power cable o into the power supply port e of the transmitter.
4. Plug the other side of the DC-5.9V power cable into a power socket.
Use
Switching on the transmitter
- Switch on the transmitter by sliding the power switch u to the ON position.
- The LED status indicator t on the transmitter starts to slowly blink red.
Charging the headphones
- Place the headphones with the charging contacts 3 onto the charging pins r of the transmitter.
- The charging indicator LED i on the headphones lights up red to indicate the headphones are charging.
- The charging indicator LED i on the headphones turns off when the headphones are fully charged.
Switching on the headphones
1. Switch on the headphones by sliding the power switch 4 to the ON position.
- The LED status indicator q on the headphones starts to slowly blink blue.
Pairing the headphones to the transmitter
1. Press and hold the Pair button 7 on the headphones for 5 seconds.
- The LED status indicator q on the headphones starts to blink faster.
2. Press and hold the Pair button y on the transmitter for 5 seconds.
- The LED status indicator t on the transmitter starts to blink faster.
- When pairing is complete, both LED status indicators will stay lit.
Controlling the volume
- Rotate the volume wheel 6 on the headphones to increase or decrease the volume of the headphones.
Channel balance
- Rotate the channel balance wheel 9 on the headphones to focus the audio of the headphones to the left or right driver.
Wired connection
- When the batteries of the headphones are drained, you can still listen to your audio source by connecting the headphones directly to the audio source, using the 2×3.5mm audio cable p.
- With a wired connection, you can use the headphones without the transmitter. This way, you can also use the headphones on the go.
Maintenance
- Clean the product regularly with a soft, clean, dry cloth. Avoid abrasives that can damage the surface.
- Do not use aggressive chemical cleaning agents such as ammonia, acid or acetone when cleaning the product.
Troubleshooting
Problem
|
Possible cause
|
Solution
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Headphones do not switch on.
|
The batteries are drained.
|
Charge the headphones for at least 30 minutes and retry.
Transmitter does not turn on.
|
The DC-V power cable is not properly plugged into the transmitter or the power socket.
|
Follow the instructions in chapter “Connecting the transmitter”.
No sound is coming from the headphones.
|
The headphones are not paired to the transmitter.
|
Follow the instructions in chapter “Pairing the headphones to the transmitter”.
|
The transmitter is not connected to the audio source.
|
Follow the instructions in chapter “Connecting the transmitter”.
|
The headphones are too far out of reach from the transmitter.
|
Move the headphones closer to the transmitter.
|
The audio source volume is too low/muted.
|
Raise the volume on the audio source.
|
The headphones volume is too low/muted.
|
Raise the volume on the headphones with the volume wheel 6.
Warranty
Any changes and/or modifications to the product will void the warranty. We accept no liability for damage caused by improper use of the product.
Disclaimer
Designs and specifications are subject to change without notice. All logos, brands and product names are trademarks or registered trademarks of their respective owners and are hereby recognized as such.
Disposal
|
This symbol indicates that this product should not be thrown away with other household waste throughout the EU. To prevent possible harm to the environment or human health by uncontrolled waste disposal, you are responsible for recycling it so that it can promote the sustainable reuse of raw materials. To return your used product, you can use the regular return and collection systems or contact the store where the product was purchased. They can recycle this product for the environment.
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Declaration of Conformity
We, Nedis B.V. declare as manufacturer that the product HPRF320BK from our brand Nedis®, produced in China, has been tested according to all relevant CE standards and regulations and that all tests have been passed successfully. This includes, but is not limited to the RED 2014/53/EU regulation.
The complete Declaration of Conformity (and the safety datasheet if applicable) can be found and downloaded via webshop.nedis.com/HPRF320BK#support
For additional information regarding the compliance, contact the customer service:
Web: www.nedis.com
E-mail: service@nedis.com
Phone: +31 (0)73-5991055 (during office hours)
Nedis B.V., de Tweeling 28
5215 MC ’s-Hertogenbosch, the Netherlands