Safety precautions Although this product was designed to be used safely, failing to use it correctly may result in an accident. To ensure safety, observe all warnings and cautions while using the product. Cautions for the product Do not use the product near medical equipment. Radio waves may affect cardiac pacemakers and medical electronic equipment.
Safety precautions If battery fluid leaks, do not touch fluid with bare hands. If fluid remains inside the product, it may cause malfunction. If battery fluid leaks, contact your local Audio-Technica dealer. If fluid gets in your mouth, gargle thoroughly with clean water such as tap water and consult a doctor immediately.
Safety precautions Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Notes on use Be sure to read the connected device’s user manual before use. Audio-Technica will not be liable in any way for any loss of data in the unlikely event that such losses should occur while using the product. On public transportation or in other public places, keep the volume low so as not to disturb other people.
About the active noise-cancelling function The product is designed to use its built-in microphone to pick up noise from the surrounding environment (noise from vehicles, noise from air conditioners, etc.) and to cancel out that noise by producing sounds in negative phase. This results in a reduction in the sounds in your environment.
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 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.
Part names and functions Headphones L/R (left/right) indicator Earpad Headband Slider Joint Microphone Housing Operation area (left side) Indicator lamp Displays the operating status and battery level of the product.
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Part names and functions Battery jack Use to connect the included USB charging cable and charge the product. Connector jack Use to connect the included cable for wired connections. Power supply / control button Use to turn the power supply ON/OFF, play/pause music, and answer phone calls. Volume buttons Use to adjust the volume up or down (+/–).
Charging the battery Fully charge the battery when using it for the first time. When the rechargeable battery is running low, the voice guidance will play the message “Low battery”, and the indicator lamp will flash in orange. Charge the battery as soon as possible. It takes about 2.5 hours maximum to charge the battery fully.
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Charging the battery Disconnect the USB charging cable (USB Type-C side) from the product’s battery jack. If you start to charge while the product is on, it will automatically turn off. When charging, make sure to use the included USB charging cable. The product may not charge with cables other than the included USB charging cable.
Power supply ON/OFF Turning on the product Press and hold the power supply / control button (about 1 second). The indicator lamp lights in white, and then flashes. It may take several seconds for the indicator lamps to light. Turning off the product Press and hold the power supply / control button (for about 3 seconds).
Use your Bluetooth device to begin the pairing process and search for the product. When your Bluetooth device finds the product, “ATH-S300BT” will be displayed on the device. For information about using your Bluetooth device, refer to the device’s user manual.
Connecting via Bluetooth Multipoint function The product supports multipoint, which allows two Bluetooth devices to be connected at the same time. While you are listening to music with one device, you can answer a call that comes in from the other device. It is convenient if you have two smartphones, for example.
Wearing the product Put the side of the earpads marked “L” (LEFT) onto the left ear and the side marked “R” (RIGHT) onto the right ear, slide the slider up and down so that the earpads cover the ears, and then adjust the headband. Swivel mechanism You can fold the housing so that it lies flat.
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. Listening to music To connect for the first time, pair the product and your device via Bluetooth wireless technology.
Using the product Volume button operation Volume buttons Operation Function Press Increases/decreases the volume by 1 level. Plays the next track. Press and hold (for about 1 second) Plays the previous track / returns to the start of the track. [1] The volume control of some Bluetooth devices may not work well with the product. The controls explained above may not be available on some smartphones.
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Using the product Not wearing the product properly while talking on the phone may cause your voice to be too quiet for others to hear. Power supply / control button operation Power supply / control button Operation Function Press Receiving a call: Answers the call. Receiving a call: Rejects the call.
Using the product Function Description The microphone built into the product detects ambient noise and outputs Noise-cancelling function a sound-cancelling signal to effectively reduce noise. This function allows you to hear surrounding sound via the built-in Hear-through function microphone while you listen to music. Press the ambience control button.
Using the product Speech recognition feature Activation of the speech recognition feature (such as Google Assistant or Siri) may be possible depending on your device. Press and hold the ambience control button (for about 1 second). The speech recognition feature (such as Google Assistant or Siri) is activated. Wired connection (play-through function) The product has a play-through function that allows you to use it as portable headphones and play back music even when there is no battery power.
Using the product Using the cable with in-line mic and control Control button Microphone Operation Function Starts or pauses playback. Receiving a call: Answers the call. Press Making a call: Cancels the call. During a call: Ends the call. Receiving a call: Rejects the call. Press and hold (for about 2 seconds) Depending on the connected device, activates the device’s speech recognition feature (such as Siri for compatible iOS devices).
Indicator lamp display The indicator lamp of the product indicates the product’s status. Pairing Status Indicator lamp display pattern ○ - ○ - ○ ・ ・・ Searching for devices Flashing white (gradually lighting up) Connecting Status Indicator lamp display pattern ○----○----○ ・ ・・ Connecting Flashing white in 5-second intervals Music is playing Battery level...
Voice guidance The product plays English voice guidance in the following situations. Situation Voice Guidance Bluetooth is connected Connected Bluetooth is disconnected Disconnected Noise-cancelling function on Noise-cancelling (ambience control) Hear-through function on Hear-through (ambience control) Off (ambience control) Low latency mode on Low latency Low latency mode off Low latency off...
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Cleaning Get into the habit of regularly cleaning the product to ensure that it will last for a long time. Do not use alcohol, paint thinners, or other solvents for cleaning purposes. Use a dry cloth to clean the headphones. To clean the earpads and headband, wipe with a dry cloth.
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Forced pairing mode / reset If the product does not connect to a device (forced pairing mode) If pairing cannot be cancelled or is not successful, you can use forced pairing mode to perform pairing again. With the product turned on, press and hold (for about 6 seconds) the power supply / control button and volume button (+) at the same time.
Troubleshooting 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. Set the profiles for the Bluetooth device. For procedures on how to set profiles, refer to the Bluetooth device’s user manual.
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Troubleshooting Noise is generated when using the noise-cancelling function A slight humming sound may be heard when using the noise-cancelling function. This is a sound generated by the noise-cancelling function; it is not a malfunction. The noise-cancelling effect may vary or a bleep (howling) may occur depending on how you wear the product.
Specifications Headphones Type Closed-back dynamic Driver 40 mm Sensitivity 103 dB/mW Frequency response 20 to 20,000 Hz 44.5 ohms Impedance Microphone (headphones) Type MEMS type Polar pattern Omnidirectional -38 dB (1 V/Pa, at 1 kHz) Sensitivity Frequency response 50 to 10,000 Hz Microphone (cable) Type Electret condenser Polar pattern Omnidirectional Sensitivity -42 dB (1 V/Pa, at 1 kHz)
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Specifications Other Power supply DC 3.85 V lithium polymer battery Charging time Approx. 2.5 hours Continuous transmission time (music playback): Operating time Max. approx. 60 hours (when Bluetooth on, noise cancelling on) Max. approx. 90 hours (when Bluetooth on, noise cancelling off) Weight Approx. 258 g (9.1 oz) Operating temperature 5°C to 40°C (41°F to 104°F) USB charging cable (30 cm (12"), USB Type-A / USB Type-C), Cable with in-...
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Trademarks ® The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., and any use of such marks by Audio-Technica Corporation is under license. Other trademarks and trade names are those of their respective owners. ™ USB Type-C is a trademark of USB Implementers Forum.
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