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ATH-WS990BT
User Manual
Wireless Headphones

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Table of Contents
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Summary of Contents for Audio Technica ATH-WS990BT

  • Page 1 ATH-WS990BT User Manual Wireless Headphones...
  • Page 2: Safety Precautions

    Introduction Thank you for purchasing this Audio-Technica product. Before using the product, please read through the Quick Start Guide and Caution Guide, as well as this user manual when necessary, to ensure that you will use the product correctly. Safety precautions Although this product was designed to be used safely, failing to use it correctly may result in an accident.
  • Page 3: Cautions For Rechargeable Battery

    Safety precautions Cautions for rechargeable battery The product is equipped with a rechargeable battery (lithium polymer battery). • If battery fluid gets into eyes, do not rub them. Rinse thoroughly • Do not use, leave or store the battery in the following places: –...
  • Page 4: Notes On Use

    Notes on use • Be sure to read the connected device’s user manual before use. • If you use the product near a TV or radio antenna, noise may be seen or heard in the television or radio signal. In this case, move •...
  • Page 5: For A More Comfortable Bluetooth® Communication Experience

    For a more comfortable Bluetooth® communication experience The effective communication range of this product varies depending on obstructions and radio wave conditions. For a more enjoyable experience, please use the product as close Antenna as possible to the Bluetooth device. To minimize noise and sound disruptions, avoid placing your body or other obstacles between the product’s antenna (L side) and the Bluetooth device.
  • Page 6: Part Names And Functions

    Part names and functions Headband L/R (left/right) indicator Slider Joint Earpad Housing A built-in microphone (for talking) is integrated into the L (left) housing. And, built-in microphones (for hear- through mode) are integrated into both the L (left) and R (right) housings. Power switch Multi-indicator lamp Touch sensor indicator lamp...
  • Page 7: Charging The Battery

    Charging the battery • Fully charge the battery when using it for the first time. • When the rechargeable battery is running low, the product will sound 2 sets of 2 beeps through the headphones, and the multi-indicator lamp will flash in red. When these beeps sound, charge the battery. •...
  • Page 8: Connecting Via Bluetooth Wireless Technology

    2. Use your Bluetooth device to begin the pairing process and search for the product. When your Bluetooth device finds the product, "ATH-WS990BT" will be displayed on the device. • For information about using your Bluetooth device, refer to the device’s user manual.
  • Page 9: Using The Product

    Using the product The product can use Bluetooth wireless technology to connect to your device and play music, receive phone calls, etc. Use the product for whichever of these purposes suits your needs. Note that Audio-Technica cannot guarantee the operation of displays, such as the battery level display, or applications via Bluetooth devices.
  • Page 10: Listening To Audio

    Using the product Listening to audio • To connect for the first time, pair the product and your device via Bluetooth wireless technology. Once they are paired, turn on the Bluetooth device’s Bluetooth connection, and then turn on the product. •...
  • Page 11 Using the product Using the hear-through mode The product's hear-through mode is a mode that allows you to hear the sounds around you through the built-in microphone while you are wearing the product. • Depending on the volume of the music or audio that you are playing, it may be difficult to hear the sounds around you.
  • Page 12: Wired Connection (Playthrough Function)

    Using the product Wired connection (playthrough function) The product is equipped with a playthrough function so you can use it as portable headphones to play music even if the battery runs out. Connect the connector plug of the included cable to the product's connector jack, and then connect the input plug to your portable player so you can use it.
  • Page 13 Cleaning Get into the habit of regularly cleaning the product to ensure that it lasts for a long time. Do not use alcohol, paint thinners or other solvents for cleaning purposes. • To clean the product, wipe it with a dry cloth. •...
  • Page 14: Troubleshooting

    Troubleshooting Problem Solution Power is not supplied • Charge the product. Unable to pair • Confirm that the Bluetooth device communicates using Ver. 2.1+EDR or higher. • Place the product and the Bluetooth device within 1 m (3.3') of each other. •...
  • Page 15 Troubleshooting SBC priority connections (for when sound is delayed significantly) When the connection codec is AAC, significant sound delays can be alleviated by changing the connection codec to SBC, which comes standard with Bluetooth devices. Connecting to an SBC priority connection When the pairing with a Bluetooth device has been completed 1.
  • Page 16: Multi-Indicator Lamp Display

    Multi-indicator lamp display The indicator lamp of the product indicates the product's status as explained below. Status Multi-indicator lamp display pattern White Flashing in intervals of Searching for device 0.5 seconds Pairing Searching for device Flashing 2 times (when using an SBC in intervals of priority connection) 0.5 seconds...
  • Page 17: Specifications

    Specifications Headphones Type Closed-back dynamic Driver 53 mm Sensitivity 101 dB/mW 107 dB/mW (when using noise-cancelling) 101 dB/mW (when not using noise-cancelling) Frequency response 5 to 40,000 Hz Impedance 30 ohms 150 ohms (when using noise-cancelling) 30 ohms (when not using noise-cancelling) Microphone Type Electret condenser...
  • Page 18 Specifications Other Power supply DC 3.7 V lithium polymer battery Charging time Approx. 5 hours Operating time Continuous transmission time (music playback): Max. approx. 25 hours (when using Bluetooth and noise-cancelling) Max. approx. 30 hours (when using only Bluetooth) Max. approx. 35 hours (when using only noise-cancelling) Continuous standby time: Max.
  • Page 19 Audio-Technica Corporation 2-46-1 Nishi-naruse, Machida, Tokyo 194-8666, Japan www.audio-technica.co.jp 138901010-02-01 ver.1 2018.02.15 ©2018 Audio-Technica Corporation...

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