News & Reviews

AudioQuest's Garth Powell Discusses Power with Gramophone

At Axpona 2025, Gramophone's Joe Finn chatted with AudioQuest's Senior Director of Engineering, Garth Powell, about the importance of power conditioning.

Serious Fun at Big Kids Toys
In the March 2025 installment of Stereophile’s excellent “Re-Tales” column, author Julie Mullins highlights Big Kids Toys — an AudioQuest Mythical Experience dealer — and speaks with its 29-year-old sales...
A Detailed Look at the Niagara 7000
AudioQuest's Senior Director of Engineering, Garth Powell, chats with Upscale Audio's Kevin Deal about our flagship power conditioner, the Niagara 7000.
Getting to Know Niagara 3000
"This is going to be the biggest-selling power conditioner in the history of Upscale Audio," enthuses Kevin Deal. Find out why...

Theory & Education

The Case for Highly Optimized Power Conditioning
When it comes to the Alternating Current (AC) used in today’s homes, we’re relying on a century-old technology created for incandescent lights and electric motors. Our audio/video systems deserve better.
Dressing Long Speaker Cables
We recommend following The Absolute Sound's Substack, where the magazine's editors offer think pieces, share links to often fascinating articles related to music and sound, host a weekly Q&A, and...
Killing the Noise: Mythical Creature & Folk Hero Speaker Cables
Explore AudioQuest’s cutting-edge speaker cables, designed by Senior Director of Engineering Garth Powell. Learn how ZERO-Tech and RF/ND-Tech eliminate distortion and combat RF noise, delivering superior audio clarity.
AudioQuest 48G and eARC-Priority HDMI Cables Overview
Sound first. While 8K and other compelling video/gaming features make the HDMI headlines, AudioQuest’s 48 and eARC-Priority Series HDMI cables are our best-sounding HDMI cables yet. The precision and tighter...
Cable Directionality: It's All About Noise
If you’ve ever wondered about the arrows on AudioQuest cables, read any of our educational materials, or merely followed any of the online chatter regarding our products, perhaps you’ve wondered...
Power Demystified
In this detailed white paper by Garth Powell, AudioQuest’s Senior Director of Engineering, you’ll discover the essentials of AC power management for high-resolution audio systems.