Sony PHA-1A Portable Headphone Amplifier

The Way The Artists Truly Intended

Enjoy the subtlest nuances of studio-quality sound in higher than CD quality with High-Resolution Audio. Passion for music unites every component from signal to speaker so it feels like the artist is performing right in front of you.

The portable amp that improves the sound from digital sources

Enjoy improved sound from almost any digital source by sending the signal through the PHA-1A. Breathe new life into your collection of audio files, and fully appreciate the advantages of High-Resolution Audio. Just plug in and let the PHA-1A do its magic, as you relax and rediscover your music.

For a quality High-Resolution Audio experience, the PHA-1A supports asynchronous transfer to reduce noise and allows even 192 kHz/24 bit content to be enjoyed fully.

Hear the difference

The PHA-1A offers an audio experience beyond what's usually possible with the built-in digital-to-analog converter in a smartphone, iPhone/iPod, or PC.

Superior conversion, purer sound

A combination of quality components provides superior conversion of the digital source to a pure, high-quality audible signal.

Shut out the noise

The aluminum casing of the PHA-1A offers shielding from noise and interference that can adversely affect sound quality.

Small, light, and durable

Be ready for anywhere with a compact, lightweight design that won’t weigh you down. Its rugged aluminum case protects from everyday knocks and shocks.

Frequency Response	10 Hz - 100,000 Hz
Impedance	8? - 600?
Volume Control	Rotary
Charge Time	? 3.5 Hours
Charge Length	? 6 Hours
Supplied Accessories	Digital cable for WALKMAN
	Digital cable for Xperia™
	Silicone belt
	Sheet