Sony Pha3 Owners Manual

Portable Headphone Amplifier
PHA-3
The sound is low.
Turn up the volume  of the connected device.
Turn up the volume  of the headphone  amplifier.
When using high-impedance headphones, set the GAIN  select switch to HIGH.
Use headphones  that have a stereo mini plug.
The  headphone  amplifier only supports headphones  that have a stereo mini plug. If you use headphones/headsets
with a remote control  or microphone,  there may be low  sound  or no sound.
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Portable Headphone Amplifier
PHA-3
The sound is distorted.
When the audio  device is  connected to the AUDIO IN/LINE  OUT jack of the headphone  amplifier, turn  down the
volume  of the connected device.
Set  the equalizer setting  of the connected device to off.
Charge the battery of the headphone  amplifier if the battery level is  low. When you charge the battery, turn  the
headphone  amplifier off beforehand.
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Help Guide
Troubleshooting
97  

Portable Headphone Amplifier
PHA-3
Noise is generated.
Connect  the headphone  amplifier and the device directly,  not via a USB hub or USB cable extension.
The  USB port  of the connected computer may have a problem. Connect  the headphone  amplifier to another USB port
of the computer if available.
When the audio  device is  connected to the AUDIO IN/LINE  OUT jack of the headphone  amplifier, adjust the volume
of the connected device and turn  up the volume  of the headphone  amplifier.
Keep the...

Portable Headphone Amplifier
PHA-3
Unable to install the driver software on a Windows computer.
The  headphone  amplifier needs  to be connected to your  Windows computer at a certain  point while installing the
driver  software.
In this case, connect  the Windows computer to the Xperia/WALKMAN/PC (USB AUDIO) connecting port  of the
headphone  amplifier using the micro -USB cable (supplied).
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Help Guide
Troubleshooting
99  

Portable Headphone Amplifier
PHA-3
When  connecting to a computer, there  is no sound or the sound is not played  back properly.
The  computer does not recognize the headphone  amplifier as a USB device.
Restart  your  computer.
Install the driver  software for Windows “Sony USB Device Driver” on your  Windows computer.
Turn up the volume  of your  computer or software.
If the headphone  amplifier was connected to the computer while using audio  playback  software, restart the audio
playback  software....

Portable Headphone Amplifier
PHA-3
Sound is interrupted when connecting to the computer.
The  CPU of your  computer is  overloaded.  Close other applications.
Other  USB devices are  connected to your  computer and being  used simultaneously. Quit operating other USB
devices.
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Help Guide
Troubleshooting
101  

Portable Headphone Amplifier
PHA-3
The remote control  of the headset does not work.
Remote  control  operation is  not supported  by the headphone  amplifier.
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Help Guide
Troubleshooting
102  

Portable Headphone Amplifier
PHA-3
The microphone of the headset does not work.
Headset  microphones  are  not supported  by the headphone  amplifier.
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Help Guide
Troubleshooting
103  

Portable Headphone Amplifier
PHA-3
The connected  radio or TV  cannot  receive a signal/Noise is generated.
Keep the connected device away from the headphone  amplifier.
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Help Guide
Troubleshooting
104