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 most 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)
Pulse Code Modulation (PCM)

From a PC, iPhone/iPad or Xperia® - PCM conversion gives it the best possible sound.

10Hz-10kHz frequency range
Ultra high frequencies

Feel sound beyond your natural hearing range, with exceptionally high frequencies of up to 100kHz.

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.

High frequency recording
Record at a higher frequency than CD

High-Resolution Audio typically records at 96kHz/24 bit or even 192kHz/24 bit.

Ultra wide frequency range
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 192kHz/24bit 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-analogue 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.

PHA-1A’s components
aluminium casing of the PHA-1A
Shut out the noise

The aluminium 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 aluminium case protects from everyday knocks and shocks.

150 grams weight
Go lightly

Small and light at about 150 grams for taking around in a bag or pocket.

A silicone band makes carrying easy with other device
Carry easily

A silicone band makes carrying with your Walkman, Xperia or iPhone easy.

6 hours battery life
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

Made for iPod, iPhone and iPad