Other devices
You can enjoy listening to audio devices, including smartphones and
portable music players, with the unit. Before connecting, turn down the
volume on the device and turn off the unit.
1
Connect the audio device to the unit, using the audio
cable (stereo mini) (supplied).
Other device
This unit
Audio cable (stereo mini) (supplied)
2
Set the input select switch to AUDIO IN.
3
Turn on the connected audio device.
Notes
If you connect the unit via a device with a built-in radio or tuner, broadcasts may not
be received, or sensitivity may be reduced significantly.
If there is noise in broadcasts, locate the unit farther away from the connected
device and check whether reception improves.
If you are listening to music too loudly, the battery may drain even if the unit is
connected to a computer, or an AC outlet using the recommended USB AC adaptor
(optional).
If the battery level is too low, the unit may not turn on even when connected to a
computer, or an AC outlet using the recommended USB AC adaptor (optional). In
this case, charge the unit. For details, see
“
Charging the unit.
”
Listening to Music
1
Connect the headphones to the unit.
Notes
Connect the stereo mini plug to the unit.
This unit does not support monaural headphones, headphones with a remote
control, or headsets with a microphone.
2
Connect an audio device to the unit.
For details, see
“
Connecting to the Audio Device.
”
3
Rotate the power/volume knob clockwise to turn on the
unit.
The POWER indicator lights up. Rotate the power/volume knob
clockwise further to turn up the volume. The POWER indicator lights
up green when the unit is turned on. When the battery level is low,
the POWER indicator lights up orange.
Note
When the unit is connected to a computer for the first time, it may take a while
to recognize the unit.
4
Start playback on the connected audio device.
5
Adjust the volume.
Adjust the volume by the power/volume knob. Depending on the
headphones, the volume may remain low, even if you turn the
volume up to the max.
In this case, turn off the unit, set the GAIN select switch to HIGH, then
turn on the unit. In normal use, the setting should be LOW. For
details, see
“
To set the GAIN according to the headphones.
”
Tip
When connecting a device such as a smartphone or portable audio player,
adjust the volume on the connected device beforehand. Depending on the
device, audio output settings may be required.
To set the GAIN according to the headphones
You can set the GAIN select switch according to the connected
headphones (default: LOW).
To change the GAIN setting, turn off the unit and set the GAIN select
switch to HIGH.
Fastening the Audio Device to the Unit
You can fasten a connected device to the unit using the silicone belts
(supplied).
How to use the silicone belts (supplied)
Mount the connected device on the unit. Insert the lugs of the silicone
belts into the slots on one side of the unit. Pull the belts over and insert
the lugs in the slots on the other side, as shown below. (There are 4
silicone belts supplied.)
Tip
If the audio device does not mount on the rubber rails of the unit, insert the
protection sheet (supplied) between this unit and the audio device, to reduce
scratching.
Notes
Sony is not liable for damage to an audio device caused by using the silicone belts.
The silicone belts are not guaranteed to fasten all audio devices.
Troubleshooting
If you run into any problems using this unit, use the following checklist
and read the product support information on our website. Should any
problem persist, consult your nearest Sony dealer.
No sound
Check that the unit and the audio device are connected correctly.
Check that the connected device is turned on.
Check that the unit is turned on.
Check that the input select switch is in the correct position for the
connected audio device.
Turn up the volume of the connected device.
Turn up the volume of the unit.
If the POWER indicator does not light up, charge the battery.
Connect the headphone plug firmly to the unit.
Check that the connected headphones are stereo, not monaural.
The unit does not support the monaural headphones. Do not
connect monaural headphones. It may cause a malfunction.
When connected to a computer, there is no sound or the sound is
not played back properly.
Turn up the volume of your computer or software.
If the unit was connected to the computer while using audio
playback software, restart the audio playback software.
If the computer enters standby, sleep or hibernation mode, while
the music is played back by using the audio playback software,
restart the audio playback software.
Check that the sound device settings of your computer are correct.
For Windows 7/Windows Vista
Click the [Start] menu, select [Control Panel], [Hardware and
Sound], [Sound], [Playback] tab, select [PHA-1] for the playback
device, then click [Set default].
For Windows XP
Click the [start] menu, select [Control Panel], [Sounds, Speech and
Audio Devices], [Sounds and Audio Devices], [Audio] tab, then
select [PHA-1] for [Default device] in the Sound playback menu.
For Macintosh
Click the [Apple] menu, select [System Preferences], [Sound],
[Output] tab, then select [PHA-1] for [Select a device for sound
output].
The volume control of your computer or the audio playback
software is set to suppress the sound. Cancel the setting.
The computer does not recognize the unit as a USB device. Restart
your computer.
The CD-ROM drive does not support the digital reproduction
function. Use a CD-ROM drive that supports the digital reproduction
function.
Digitally broadcast sound may not be output from a computer’s USB
port. In this case, connect the AUDIO IN jack of the unit to the
analog audio output of the computer.
Low sound
Turn up the volume of the connected device.
Turn up the volume of the unit
When using high-impedance headphones, set the GAIN select
switch to HIGH.
Use headphones that have a stereo mini plug. The unit supports
headphones that have a stereo mini plug. If you use headphones/
headset with a remote control or microphone, there may be low
sound or no sound.
The unit does not turn on.
Charge the battery of the unit.
When battery life reduces to half, the battery is approaching the end
of its service life. Consult your nearest Sony dealer for replacement.
Distorted sound
If the audio device is connected to the AUDIO IN jack of the unit,
turn down the volume of the connected device.
Set the equalizer setting of the connected device to off.
Charge the battery of the unit.
The battery cannot be charged.
Check that the unit and your computer are firmly connected using
the micro-USB cable (supplied).
Check that the computer is turned on and not in standby, sleep or
hibernation mode.
Check that the unit and the computer are directly connected, and
not via a USB hub.
Try the USB connection procedure again in cases other than those
stated above.
The USB port of the connected computer may have a problem.
Connect the unit to another USB port of the computer if available.
A USB AC adaptor that is not recommended is being used.
The unit is turned on.
Charging methods that are not supported may not be possible.
The battery is fully charged.
If the battery is fully charged, the CHG (charge) indicator (red) may
blink and go off, and the charging may not be started. This is not a
malfunction. For details, see
“
Charging the Unit.
”
If the unit is not used for a long time, the CHG (charge) indicator
may take a while to light up red when you connect it to your
computer. In this case, do not disconnect the micro-USB cable from
the unit, and wait until the CHG (charge) indicator lights up red.
Charging time is too long.
Check that the unit and the computer are directly connected, not
via a USB hub.
The cable which is not supplied is used.
A USB AC adaptor that is not recommended is being used.
Noise is generated.
When connecting an audio device to the AUDIO IN jack of the unit,
adjust the volume of the connected device, then turn up the
volume of the unit.
Keep the computer away from the unit.
Restart the audio playback software.
Turn off the connected audio device, then turn on it again.
Sound is interrupted when connecting to the computer.
The CPU of your computer is overloaded. Exit other applications.
Other USB devices are connected to your computer and being used
simultaneously. Quit operating other USB devices.
The remote control of the headset does not work.
Remote control operation is not supported by this unit.
The microphone of the headset does not work.
Headset microphones are not supported by this unit.
A connected radio or TV cannot receive a signal/ Noise is generated.
Keep the connected device away from the unit.
Precautions
On Safety
Do not put weight or pressure on this unit as it may cause the unit to deform during
long storage.
Do not drop the unit or subject it to external shock, as it may cause a malfunction.
Clean the unit with a soft dry cloth.
If there is noise while listening to the radio, etc., move the unit farther away from the
connected device.
On placement
Do not place the unit in a location where it is:
Subject to extreme high temperature (such as in a car with its windows closed).
Subject to direct sunlight or near a heat source.
Subject to mechanical vibration or shock.
Subject to a magnetic field.
(such as near a magnet, speaker or TV).
Subject to excessive dust.
Specifications
Frequency range
10 Hz – 100 kHz (AUDIO IN input)
Distortion 0.01% or less (1 kHz)
Supported impedance
8 Ω - 600 Ω
Maximum input
1 Vrms (AUDIO IN)
Maximum output (when using
the built-in lithium-ion
rechargeable battery)
Approx. 175 mW + 175 mW
(8 Ω, 10 % distortion)
Approx. 26 mW + 26 mW
(300 Ω, 10 % distortion)
Audio output
Stereo mini jack
(Only a 3-pole stereo mini plug is
supported. Other plugs, including 2-pole
mini plug or 4-pole stereo mini plug, are
not supported.)
Audio input
Stereo mini jack
Micro-USB (type B)
Dedicated connector for iPod/iPhone/iPad
Operating temperature
0 °C to 40 °C
Charging temperature
5 °C to 35 °C
Power source
DC 3.7 V built-in lithium-ion rechargeable
battery
Battery life*
1
AUDIO IN: Approx. 10 hours*
1
iPod/iPhone/iPad: Approx. 5 hours*
1
Charging time
Approx. 4.5 hours*
2
*
1
when using the unit at 1 mW + 1 mW
output (24 Ω). Time may vary,
depending on the immediate
environment or conditions of use.
*
2
Time required for empty battery to
recharge.
Dimensions
Approx. 67 mm × 26 mm × 130 mm
(2
3
/
4
× 1
1
/
16
× 5
1
/
8
in)
(w/h/d, projecting parts are not included)
Mass
Approx. 220 g (8 oz)
Supported sampling
frequencies/bit
USB input: Maximum 96 kHz/24 bit
Included items
PHA-1 (this unit) (1)
30pin-USB cable (1)
Audio cable for
“
WALKMAN
”
(1)
Micro-USB cable (1)
Stereo mini cable (1)
Silicone belt (4)
Protection sheet (1)
Operating Instructions (this manual) (1)
Recommended accessory
USB AC adaptor: AC-UD20 (optional)
Operating environment
Compliant OS:
Windows 7
Starter (SP1 or later)/Home Basic (SP1 or
later)/Home Premium (SP1 or later)/
Professional (SP1 or later)/Ultimate (SP1 or
later)
Windows Vista
Home Basic (SP2 or later)/Home Premium
(SP2 or later)/Business (SP2 or later)/
Ultimate (SP2 or later)
Windows XP
Home Edition (SP3 or later)/ Professional
(SP3 or later)/Media Center Edition 2004
(SP3 or later)/ Media Center Edition 2005
(SP3 or later)
Mac OS X (10.5.8 or later)
CPU: Pentium II 266 MHz or better
USB port (USB 2.0 Full Speed).
The unit is not guaranteed to operate
with all computers.
The unit is not guaranteed to operate
with home built computers, operating
systems that are personally upgraded,
or multiple operating systems.
The unit is not guaranteed to operate
with functions such as system suspend,
sleep, or hibernation, on any computer.
Design and specifications are subject to
change without notice.
Trademark Notices
“
WALKMAN
”
and
“
WALKMAN
”
logo are registered trademarks of Sony Corporation.
iPad, iPhone, iPod, iPod classic, iPod nano, and iPod touch are trademarks of Apple
Inc., registered in the U.S. and other countries.
“
Made for iPod,
”
“
Made for iPhone,
”
and
“
Made for iPad
”
mean that an electronic
accessory has been designed to connect specifically to iPod, iPhone or iPad,
respectively, and has been certified by the developer to meet Apple performance
standards. Apple is not responsible for the operation of this device or its compliance
with safety and regulatory standards. Please note that the use of this accessory with
iPod, iPhone or iPad may affect wireless performance.
Macintosh and Mac OS are trademarks of Apple Inc., registered in the U.S. and other
countries.
Microsoft, Windows and Windows Vista are registered trademarks or trademarks of
Microsoft Corporation in the United States and/or other countries.
All other trademarks and registered trademarks are trademarks or registered
trademarks of their respective holders. In this manual, TM and ® marks are not
specified.
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