State of the Art Tube Designs for Music Lovers!

As Seen In:

New!

  • Custom Transformer Updates are available for the Andros 1.2 and Andros II Phonostage with ESP Supply. 
  • Preamp ESP Supply upgrades are available.
  • Power Amp updates are available for your original Bia 120 and Eros 300 Monoblocks.

For more details go to the product page.

For more information and scheduling please contact:

carolyn@zestoaudio.com 805-807-1841

Read Stereophile’s review of the Bia 200 Select Stereo Power Amp

“Maybe it’s the top end that seems to go out for miles, or the sonorous bass, or how it steps out of the way of recordings and lets them shine on their own terms.”

By Ken Micallef – Stereophile – March 3, 2023

Read full review

TrackingAngle.com review
The New Andros Spirit Vacuum Tube Phono Preamp

“Highly recommended!”

By Dave McNair, 08/27/2024

“ZESTO’s new Tube Phono Preamp is a KNOCKOUT!”

By Steve Guttenberg, The Audiophiliac, 08/22/2024

Read The Absolute Sound’s review of the Eros 500 Select Monaural Power Amplifier

“…..from the moment I fired them up I was swept away by Zesto’s Eros 500 Select Monaural power amplifiers and have remained so during my many months with them. Give them a listen, there’s a very good chance that you too will be swept away.”

by Wayne Garcia Jun 18, 2024

Read full review

The Andros Deluxe II is awarded 2022 Phonostage “Product of the Year” by The Absolute Sound

Zesto Audio Receives the Los Angeles and Orange County Audio Society Premiere “Innovation Award”

The award represents innovation in design and engineering in the reproduction of music. Zesto Audio is recognized as a company that combines artistic flare, functionality and reliability. A literal marriage of design, combined with engineering and listening.

“We are truly humbled and honored to receive such a prestigious award and it’s especially cool to be recognized for our products that bring so much joy”, says George and Carolyn Counnas at the LAOCAS Annual Holiday Gala in December.

The Board of Directors of the LAOCAS has voted that their future innovation awards will be named “The George and Carolyn Counnas Innovation Award”.

George and Carolyn extend their sincerest thanks to the LAOCAS, Audiophiles, Musicians and High End Audio Community for all your support throughout their journey.

Behind the Brand

Learn about the inspiration behind Zesto Audio in this exclusive interview with Owners George and Carolyn Counnas.

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