Get educated on Sony headphones
Discover more about Sony’s various types of high-quality headphones via a variety of informational videos.
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USB DAC 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.
Pulse Code Modulation (PCM)
From a PC, iPhone/iPad, or Xperia™ — PCM conversion gives it the best possible sound.
Ultra high frequencies
Feel sound beyond your natural hearing range, with exceptionally high frequencies of up to 100 kHz.
What is High-Resolution Audio?
High-Resolution Audio refers to a collection of digital processes allowing the encoding and playback of music using higher sampling rates than those used in CDs.
Record at a higher frequency than CD
High-Resolution Audio typically records at 96 kHz/24 bit or even 192 kHz/24 bit.
Hear more realistic, emotive sound
High-Resolution Audio supports frequencies above 24 kHz — way beyond CD quality
Made for High-Resolution Audio
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.
Go lightly
Small and light at about 5.29 ounces for taking around in a bag or pocket.
Carry easily
A silicone band makes carrying with your Walkman®, Xperia™, or iPhone easy.
Listen for hours
Play music for up to 6 hours when connected digitally.
Ready to go
Comes with cables for Apple players, Walkman®, a micro & standard USB, and silicone band.
Apple Compatibility
Specifications and Features
Enjoy improved sound from almost any digital source by sending the signal through the PHA-1A. Breathe new life into your massive 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.
- Frequency Response
- 10-100kHz
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