JVC HAS91NB

Download PDFFree PDF. The Save button below keeps a bookmark and private notes in your account.

JVC HAS91NB Wireless Noise Cancelling Headphones User Manual

Model: HAS91NB

1. Introduction

This manual provides essential instructions for the safe and effective use of your JVC HAS91NB Wireless Noise Cancelling Headphones. Please read this manual thoroughly before using the product and retain it for future reference.

2. Package Contents

Verify that all items are present in the package:

  • JVC HAS91NB Wireless Noise Cancelling Headphones
  • USB-C Charging Cable
  • 3.5mm Audio Cable
  • Protective Carrying Pouch
  • User Manual (this document)
JVC HAS91NB headphones, USB-C charging cable, 3.5mm audio cable, and protective carrying pouch

Image: Included accessories with the JVC HAS91NB headphones.

3. Setup

3.1. Charging the Headphones

Before initial use, fully charge the headphones. Connect the supplied USB-C charging cable to the headphone's charging port and the other end to a USB power adapter (not included) or a computer's USB port. The charging indicator light will show the charging status.

3.2. Powering On/Off

  • To Power On: Press and hold the Power button until the indicator light illuminates.
  • To Power Off: Press and hold the Power button until the indicator light turns off.

3.3. Bluetooth Pairing

  1. Ensure the headphones are powered off.
  2. Press and hold the Power button for approximately 5 seconds until the indicator light flashes rapidly (usually blue and red), indicating pairing mode.
  3. On your Bluetooth-enabled device (smartphone, tablet, computer), navigate to the Bluetooth settings and enable Bluetooth.
  4. Select "JVC HAS91NB" from the list of available devices.
  5. Once connected, the indicator light on the headphones will typically flash slowly or remain solid blue.

If prompted for a passcode, enter "0000".

4. Operating Instructions

Close-up of the right earcup of the JVC HAS91NB headphones, showing control buttons for power, volume, and noise cancellation.

Image: Control buttons on the JVC HAS91NB headphones.

4.1. Basic Controls

  • Volume Up/Down: Use the dedicated volume buttons (+/-).
  • Play/Pause: Press the multi-function button once.
  • Next Track: Double-press the multi-function button.
  • Previous Track: Triple-press the multi-function button.
  • Answer/End Call: Press the multi-function button once during an incoming call or active call.
  • Reject Call: Press and hold the multi-function button during an incoming call.

4.2. Noise Cancelling (NC) Function

The Active Noise Cancelling feature reduces ambient noise for an immersive listening experience.

  • Activate/Deactivate NC: Press the NC button. An indicator light will confirm activation.
A man wearing JVC HAS91NB headphones, looking at his phone, illustrating the noise cancelling feature.

Image: Headphones in use, demonstrating noise cancellation for focused listening.

4.3. Ambient Sound Mode

Ambient Sound Mode allows you to hear surrounding sounds while wearing the headphones, enhancing situational awareness.

  • Activate/Deactivate Ambient Sound: Press the Ambient Sound button.
A woman wearing JVC HAS91NB headphones outdoors, illustrating the ambient sound mode for awareness.

Image: Headphones in use, demonstrating ambient sound mode for environmental awareness.

4.4. Voice Assistant Compatibility

These headphones are compatible with voice assistants on your connected device.

  • Activate Voice Assistant: Press and hold the multi-function button for approximately 2 seconds.

4.5. Wired Connection

You can use the headphones with the supplied 3.5mm audio cable when the battery is depleted or for devices without Bluetooth connectivity.

  • Connect one end of the 3.5mm audio cable to the headphone's audio input jack and the other end to your audio source.

4.6. Foldable Design

The headphones feature a two-way foldable design for compact storage and portability.

Two JVC HAS91NB headphones, one unfolded and one folded, demonstrating the compact two-way foldable design.

Image: The foldable design of the JVC HAS91NB headphones for easy transport.

5. Maintenance

5.1. Cleaning

  • Wipe the headphones with a soft, dry cloth.
  • Do not use abrasive cleaners, solvents, or chemical agents.
  • Avoid getting moisture into any openings.

5.2. Storage

  • Store the headphones in the provided protective pouch when not in use.
  • Avoid storing in extreme temperatures or high humidity.

6. Troubleshooting

ProblemPossible CauseSolution
Headphones do not power on.Battery is depleted.Charge the headphones using the USB-C cable.
Cannot pair via Bluetooth.Headphones not in pairing mode; device Bluetooth off; too far from device.Ensure headphones are in pairing mode (flashing blue/red). Turn on Bluetooth on your device. Move headphones closer to the device (within 10 meters).
No sound or low volume.Volume too low; headphones not connected; audio source issue.Increase volume on headphones and connected device. Re-establish Bluetooth connection or check wired connection. Verify audio source is playing.
Noise cancelling not effective.NC function not activated; improper fit.Press the NC button to activate. Adjust headphones for a proper seal around your ears.

7. Specifications

FeatureDetail
Model NumberHAS91NB
Noise ControlActive Noise Cancellation
ConnectivityBluetooth 5.0, 3.5 mm Jack
Bluetooth RangeUp to 10 meters (33 feet)
Audio Driver Size40 mm Dynamic Driver
Impedance32 Ohms
Battery LifeUp to 42 hours (Bluetooth only), 37 hours (Bluetooth + NC)
Charging PortUSB-C
WeightApproximately 13 ounces
MaterialPlastic (housing), Fabric (carrying case)
Water ResistanceNot Water Resistant
Special FeaturesFast Charging, Microphone Included, Voice Assistant Compatible, Foldable Design

8. Safety Information

  • Do not expose the headphones to extreme temperatures, direct sunlight, or high humidity.
  • Avoid listening at high volume levels for extended periods to prevent hearing damage.
  • Do not use the headphones while driving, cycling, or in situations where you need to hear surrounding sounds for safety, unless using Ambient Sound Mode appropriately.
  • Keep out of reach of children.
  • Do not attempt to disassemble or modify the headphones. This will void the warranty.

9. Warranty and Support

JVC products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your product or visit the official JVC website. For technical support or service inquiries, please contact JVC customer service through their official channels.

You can find more information and support resources on the JVC Store on Amazon.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.