
Portable Headphone Amplifier
PHA-3
Connecting to a Mac
You can connect the headphone amplifier to a Mac using the micro-USB cable (supplied). The headphone amplifier is
compatible with High-Resolution Audio format files, up to 384 kHz/32 bit PCM, DSD 2.8 MHz or DSD 5.6 MHz.
1. Start your Mac.
You need to download and install “Hi-Res Audio Player” on your Mac to play back High-Resolution Audio format
files on the Mac with the headphone amplifier.
2. Set the INPUT select switch to the position of the Xperia/WALKMAN/PC (USB AUDIO) connecting port (left edge
position).
3. Connect the Mac to the Xperia/WALKMAN/PC (USB AUDIO) connecting port using the micro-USB cable (supplied).
Hint
The headphone amplifier supports USB 2.0 (USB 2.0 High Speed) as an audio device.
Note
If you are listening to music loudly with the headphone amplifier connected to a Mac, the POWER/CHG indicator may
flash in green or the sound may be interrupted. This is not a malfunction. In this case, turn the volume down.
The headphone amplifier is not guaranteed to operate via a USB hub or USB cable extension. Use the supplied
micro-USB cable only.
Do not disconnect the Mac while operating. Before disconnecting the Mac from the headphone amplifier, stop
playback and turn the headphone amplifier off to prevent damage to data.
How to Use
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