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.

Solid Advice from Audio Advice: HDMI 2.0 vs. HDMI 2.1
Do you have questions about HDMI? The team at Audio Advice has answers.
Value over Luxury
In November, AudioQuest founder and CEO, Bill Low, visited Hong Kong distributor, Radar Audio, where he was interviewed by AudioTechnique magazine.
Architechne’s Artisans Series: Garth Powell
Even the most sophisticated hifi system can be dramatically improved. Garth Powell and Architechne explain.
The Best HDMI Cable For You?
Explore AudioQuest HDMI cables with the great team at Walts TV.
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.
Do Silver HDMI 2.1 Cables Make A Difference?
Shane Lee of Spare Change Reviews explores HDMI cables with Garth Powell of AudioQuest.
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

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.