WARNING
- To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
- To reduce the risk of fire or electric shock, do not expose this apparatus to dripping or splashing, and do not place objects filled with liquids, such as vases, on the apparatus.
- Do not expose the batteries (battery pack or batteries installed) to excessive heat such as sunshine, fire or the like for a long time.
- To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only.
- Do not install the appliance in a confined space, such as a bookcase or built-in cabinet.
- As the main plug of AC power adaptor is used to disconnect the AC power adaptor from the mains, connect it to an easily accessible AC outlet. Should you notice an abnormality in it, disconnect it from the AC outlet immediately.
- The unit is not disconnected from the mains as long as it is connected to the AC outlet, even if the unit itself has been turned off.
- Excessive sound pressure from earphones and headphones can cause hearing loss.
- The nameplate is located on the bottom of the transmitter.
- Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with separate collection systems): This symbol indicates that the product should not be disposed of with household waste.
Checking the included items
- Transmitter TMR-HW300 (1)
- Headphones MDR-HW300 (1)
- AC adaptor (1)
- Micro-USB cable (approx. 50 cm) (1)
- Connecting cable (approx. 1.5 m) (1)
How to use
1 Charge the headphones.
Connect the headphones to the AC adaptor or a USB port. The CHG indicator (red) lights up during charging and turns off when complete.
2 Connect the AC adaptor.
Connect the AC adaptor to the transmitter's DC IN 5V port and then to an AC outlet.
3 Connect the A/V component, following hookup A or B below.
A Using the headphone jack of the A/V component
Connect the supplied connecting cable from the A/V component's headphone jack (stereo mini jack) to the transmitter's AUDIO IN jack. This is suitable for devices like TVs or digital music players with a headphone output.
B Using the audio out (L/R) jacks of the A/V component
Use a plug adaptor (not supplied) to connect the A/V component's audio out (L/R) jacks (white for L, red for R) to the transmitter's AUDIO IN jack. This is suitable for devices like stereo systems, Blu-ray Disc players, DVD players, or TVs without a headphone jack. If sound is distorted, reconnect to the headphone jack if available.
4 Wear the headphones.
Before listening
Lower the volume of the headphones after the ⏻ (On/Standby) indicator lights up to reduce the risk of hearing damage. The right headphone has a tactile dot for easy identification.
5 Start playback of the A/V component.
Begin playing audio on your connected A/V component.
6 Adjust the volume.
The headphones will beep when the volume reaches maximum or minimum. Use the VOL+ and VOL- buttons on the headphones to adjust the sound level. The right headphone has a tactile dot on the VOL+ button.
After use
- Stop playback of the A/V component.
- Hold down the ⏻ (On/Standby) button of the headphones until the ⏻ indicator turns off.
Tip: The headphones will turn off automatically if RF signal transmission from the transmitter stops for about 5 minutes.
If no signal or low signal is input for about 10 minutes
If the transmitter detects no signal, the POWER indicator of the transmitter blinks for about 10 minutes, then the transmitter stops the RF signal transmission automatically*. The transmitter restarts after receiving an audio signal again.
The transmitter may also stop if the volume of the connected A/V component is too low. In this case, raise the volume of the connected A/V component within the range where the sound is not distorted, then lower the volume of the headphones.
* If signal noise is output from the connected A/V component, the transmitter may not turn off, even when no audio signal is input.
Using the unit by connecting the supplied cable
You can use the unit as ordinary wired headphones by connecting the supplied connecting cable. You can also charge the headphones during wired use. Be sure to use the supplied connecting cable. To reduce the risk of hearing damage, lower the volume of the A/V component before connection. Connect the supplied connecting cable to the INPUT jack on the headphones.
Storing the headphones
Check right and left of the headphones before swiveling the earcups to store them flat.
Features
Thank you for purchasing the Sony MDR-HW300K Wireless Stereo Headphone System. Before operating the unit, please read this manual thoroughly and retain it for future reference.
Some features are:
- High quality sound with uncompressed digital wireless transmission: 2.4 GHz digital wireless transmission prevents interference of obstacles, delivering high quality sound with uncompressed digital wireless transmission.
- Powerful and expressive sound: Achieved with 40 mm neodymium driver unit.
- Comfortable fit even for a long period of time: Comfortable fit for long period of time with soft earpads and head cushion.
- Real-time automatic channel selection prevents sound break up: Real-time automatic channel selection on headphone system for best reception of signal. This system can switch to a free channel automatically without any sound interruption before the signal is blocked.
- Volume control function on headphones.
- Easy charging with USB port: 3 hours to fully charge the battery, and approx. 10 hours playback time. Can be used while charging the headphones.
- Wired design option: Also works as wired design headphones with supplied connecting cable. You can enjoy content on a smartphone, PC, and tablet with this wired option.
- Swivel design for easy storage.
Listening to audio from the headphones and TV speakers simultaneously
Connect the transmitter to your Cable Box/Satellite Box rather than your television.
Some TVs can be set to output audio from both its speakers and headphone jack. For details on the setting, refer to the operating instructions of your TV.
Note on monaural component connection
If you connect the transmitter directly to an earphone jack (monaural mini jack) of an A/V component, the audio signal may not be output through the right channel.
Tips for charging
Charge the headphones first
The headphones contain a rechargeable Lithium-Ion battery, which should be charged before using for the first time.
Charging and usage time
| Approx. charging time | Approx. usage time |
|---|---|
| 3 hours2) | 10 hours3) |
1) at 1 kHz, 0.1 mW + 0.1 mW output
2) hours required to fully charge an empty battery
3) Time may vary, depending on the temperature or conditions of use.
Remaining battery
To check the remaining battery charge of the headphones, turn them on, and check the ⏻ indicator. The battery is still serviceable when the indicator lights up green. Charge the headphones if the ⏻ indicator turns off, dims, flashes, or the sound becomes distorted or noisy.
To charge the headphones from an AC outlet
If you recharge the headphones by connecting to an AC outlet, use the USB AC Adaptor (not supplied). For more information, refer to the operating instructions supplied with the adaptor.
Notes
- Use only the supplied micro-USB cable. Do not use any other USB cable.
- If the headphones are not used for a long time, the CHG indicator may take a while to light after you connect it to the computer. In this case, do not disconnect the micro-USB cable from the headphones and wait until the CHG indicator lights up.
- Charge the headphones in an ambient temperature of between 5 °C to 35 °C. If you try to charge the headphones in an ambient temperature outside this range, the CHG indicator may flash and charging will not be completed properly.
- If the computer enters hibernation mode while connected to the headphones, charging will not be completed properly. Check the setting of the computer before charging. The CHG indicator will turn off automatically when the computer enters hibernation. Charge the headphones again in this case.
- Connect the headphones directly to a computer. Charging may not be completed properly by an indirect connection, such as via a USB hub.
- When the battery life reduces to half, this may be the end of battery lifetime. For how to change batteries, consult your place of purchase or a Sony dealer.
Tips for volume setting
- If you connect the transmitter to the headphone jack of the A/V component, set the volume of the A/V component as high as possible but not so high that the audio signal becomes distorted.
- When watching videos, be careful not to raise the volume too high in quiet scenes. You may hurt your ears when a loud scene is played.
RF signal transmission area
The approximate RF signal transmission area from the transmitter is up to 30 m.
The sound may be interrupted if the headphones are out of RF signal transmission area, or reception conditions deteriorate.
Notes
- Because this system transmits signals at 2.4 GHz, sound may be interrupted if interference occurs. This is due to radio frequency characteristics, and is not a malfunction.
- Any noise you hear through the headphones may vary depending on the transmitter position and room conditions. It is recommended that you place the transmitter in a location that produces the clearest sound.
- Sound may be interrupted if the transmitter is used with other wireless apparatus using 2.4 GHz frequency, or a microwave oven.
Replacing the earpads
The earpads are replaceable. If the earpads become dirty or worn out, replace them as illustrated below. The earpads are not commercially available. You can order replacements from the store where you purchased this system, or at your nearest Sony dealer.
- Remove the old earpad by pulling it out of the groove on the housing.
- Fit the new earpad in the groove of the housing. Make sure the earpad is set to the vertical position.
Troubleshooting
If you run into any problems using this system, use the following checklist. Should any problem persist, consult your nearest Sony dealer.
No sound/Low sound
- Turn on the headphones.
- Check the connection of the transmitter and A/V component, AC adaptor, and AC outlet.
- Check that the A/V component is turned on.
- If you connect the transmitter to the headphone jack of an A/V component, raise the volume level on the connected A/V component within the range where the sound is not distorted.
- Make sure you are wearing the headphones correctly.
- Charge the headphones. If the ⏻ indicator is still off after charging, take the headphones to a Sony dealer.
- Raise the headphone volume.
Distorted or intermittent sound (sometimes with noise)
- Change the position of the transmitter.
- Connect the transmitter to an A/V component using the headphone jack, not the audio out (L/R) jacks.
- If you connect the transmitter to an A/V component using the headphone jack, lower the volume level on the connected A/V component within the range where the sound is not distorted.
- Charge the headphones. If the ⏻ indicator is still off after charging, take the headphones to a Sony dealer.
- Check if there is any wireless apparatus using 2.4 GHz frequency or a microwave oven in the vicinity.
Loud background noise
- Check if there is any wireless apparatus using 2.4 GHz frequency, or a microwave oven in the vicinity.
- If you connect the transmitter to the headphone jack of an A/V component, raise the volume level on the connected A/V component within the range where the sound is not distorted.
- Charge the headphones. If the ⏻ indicator is still off after charging, take the headphones to a Sony dealer.
The sound cuts off
- The transmitter stops the RF signal transmission automatically if the transmitter detects no signal or the volume of the connected A/V component is too low for about 10 minutes. Raise the volume of the connected A/V component within the range where the sound is not distorted.
Battery cannot be charged/CHG indicator flashes, or does not light up
- Check that the headphones and the computer are firmly connected by the supplied micro-USB cable.
- Check that the computer is turned on and not in standby, sleep or hibernation mode.
- Check that the headphones and the computer are directly connected, not via a USB hub.
- A problem may occur with the connected USB port of the computer. Connect to another USB port if it is available.
- Try the USB connection procedure again in cases other than those stated above.
A repeated beep sounds and the headphones cannot receive an audio signal from the transmitter
- Move within the RF signal transmission area.
- Check the connection of the transmitter and A/V component, AC adaptor, and AC outlet.
- Check if there is any wireless apparatus using 2.4 GHz frequency or a microwave oven in the vicinity.
- Change the position of the transmitter.
- The transmitter stops the RF signal transmission automatically if the transmitter detects no signal or the volume of the connected A/V component is too low for about 10 minutes. Play back the connected A/V component, or raise the volume of the A/V component within the range where the sound is not distorted.
Precautions
On safety
- Do not drop, hit, or otherwise expose the headphones to strong shock of any kind. This could damage the product.
- Do not disassemble or attempt to open any parts of the system.
Notes on the AC adaptor
- Insert the AC adaptor plug firmly.
- Be sure to use the supplied AC adaptor. Using AC adaptors with different plug polarity or other characteristics can cause product failure. The adaptor has a unified polarity plug.
- Be sure to always use the supplied AC adaptor. Even AC adaptors having the same voltage and plug polarity can damage this product due to the current capacity or other factors.
On power sources and placement
- If you are not going to use the system for a long time, unplug the AC adaptor from the AC outlet. When removing the plug, grip the AC adaptor. Do not pull on the cord.
- Do not place the system in any of the following locations:
- Location exposed to direct sunlight, near a heater, or other extremely high-temperature location
- Dusty location
- On an unsteady or inclined surface
- Location exposed to large amounts of vibration
- Bathroom or other high-humidity locations
On headphones
Act considerately
When the volume is too high, the sound leaks outside the headphones. Be careful not to raise the volume so high that it bothers people around you.
There is a tendency to raise the volume when using in noisy places. However, for reasons of safety, it is advised to keep the volume at a level whereby you can still hear sounds around you.
On cleaning
Use a soft cloth slightly moistened with mild detergent solution. Do not use solvents such as thinner, benzene or alcohol as these may damage the surface.
When the product breaks
When the product breaks, or if a foreign object gets inside the unit, immediately turn off the power and consult your nearest Sony dealer.
When taking the system to a Sony dealer, be sure to take both the headphones and transmitter.
Specifications
Wireless stereo transmitter (TMR-HW300)
- Modulation System: GFSK
- Frequency band: 2,400 MHz - 2,478.5 MHz
- Transmission distance: Approx. 30 m of longest
- Frequency response: 20 Hz - 23,000 Hz
- Distortion rate: 1% or less (1 kHz)
- Audio inputs: Stereo mini plug
- Power requirements: DC 5 V (from the supplied AC adaptor)
- Dimensions: Approx. 75 mm x 18 mm x 75 mm (w/h/d)
- Mass: Approx. 70 g
- Rated power consumption: 0.6 W
Wireless stereo headphones (MDR-HW300)
- Sensitivity: 98 dB/mW
- Playback frequency range: 10 Hz - 22,000 Hz
- Impedance: 32 Ω at 1 kHz
- Power handling capacity: 1,000 mW (IEC*)
- Power source: Built-in lithium-ion rechargeable battery
- Mass: Approx. 190 g
- Rated power consumption: 2.5 W
* IEC = International Electrotechnical Commission
Included items
- Wireless stereo transmitter TMR-HW300
- Wireless stereo headphones MDR-HW300
- AC adaptor (5 V) (1)
- Micro-USB cable (approx. 50 cm) (1)
- Connecting cable (approx. 1.5 m) (1)
- Operating Instructions (this manual) (1)
System requirements for battery charge using USB
Personal Computer with pre-installed with any of the following operating systems and USB port:
- Windows 8 / Windows 8 Pro
- Windows 7 (Starter / Home Premium / Professional / Ultimate)
- Windows Vista (Service Pack 2 or later) (Home Basic / Home Premium / Business / Ultimate)
- Windows XP (Service Pack 3 or later) (Home Edition / Professional / Media Center Edition 2004 / Media Center Edition 2005)
- Mac OS X (version.10.3 or later)
Trademark Notice
Microsoft, Windows and Windows Vista are registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.
Macintosh and Mac OS are trademarks of Apple Inc., registered in the U.S. and other countries.
All other trademarks and registered trademarks are trademarks or registered trademarks of their respective holders. In this manual, ™ and ® marks are not specified.
Design and specifications are subject to change without notice.
