CNET –
The Audiophiliac Picks the Best Headphones

Resonance Reviews –
Rare Earth Sound

AV Nirvana –
Honest talk from many folks, including “best sounding in ear headphones I’ve
ever heard”

Audiophile Heaven –
Periodic Audio Magnesium – Warm Delight

AUDIO123 Reviews –
Periodic Audio Magnesium

HiFi QC –
Periodic Audio In-Ear Monitors

MySKU (Russian) –
The review of the cool dynamic headphones Periodic Audio Mg-Be

The MarketChangers –
Review of Mg

Head-Fi.org –
HFers raving about Mg

INSOMNIAC –
We Reviewed the Best Headphones…

The Master Switch –
Periodic Audio Titanium. Fire Away.

The
Contraptionist – PERIODIC AUDIO TI: DROP IT LOW

Head-Fi.org –
Head-Fi fans talking about Ti

AUDIOPHILIA –
Periodic Audio Nickel Amplifier

InnerFidelity –
CanJam NYC 2018: Periodic Audio Nickel Portable Amplifier

AVS Forum –
Periodic Audio Dan Wiggins Nickel Headphone Amplifier at CanJam NYC 2018

Secrets of Home Theater
and High Fidelity – PERIODIC AUDIO GOES BACK TO THE FUTURE

The Master Switch –
Best Headphone Amps 2018

iLounge –
Periodic Nickel Headphone Amplifier Review

Hi-Fi Trends –
Periodic Audio C (Carbon) IEM

The Contraptionist –
PERIODIC AUDIO NICKEL: SIMPLICITY

Audiophile Heaven –
Nickel Review – tiny tiny tiny!

Porta.fi –
Periodic Audio Carbon (video, Russian)

Porta.fi –
Periodic Audio Carbon (video, English)

Hi-Fi Trends –
Periodic Audio Ni (Nickel) Headphone Amp

Head Sounds –
Periodic Audio Carbon (C): Perfectly balanced, like all things should be

TechHive –
Best headphones: Our top picks for personal listening

AudioBacon –
Best of 2018 High Value IEM

The HeadphoneList – The
Substance of the Gods – A Review of the Periodic Audio Be

HomeTheaterReview –
Periodic Audio Be (Beryllium) In-Ear Monitors Reviewed

PC Magazine –
Periodic Audio Be (Beryllium)

Enjoy The Music –
Periodic Audio Beryllium In-Ear Monitors (IEMs)

MOONSTAR Reviews –
Periodic Audio Be Review

Reference Audio
Analyzer – Periodic Audio Be (report for a pro)

AVS Forum –
Hands On: Periodic Audio Be Beryllium In-Ear Monitors

MySKU (Russian) –
The review of the cool dynamic headphones Periodic Audio Mg-Be

TechHive –
Periodic Audio Be in-ear-headphone review: These beryllium-based headphones
sound oh so sweet

Nikktech –
Periodic Audio Be (Beryllium) In Ear Monitors Review

The MarketChangers –
Periodic Audio Be

Head-Fi.org –
Serious Fans talking about Be

coming soon