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OUR PRODUCTS

All OA21 amplifiers are hand build in England, United Kingdom. They are yours from the moment you place the order. Pure and perfect. Tailored made and perfectioned to satisfy. Tested under great heat. We take every single part to pieces, we try to make each part fail by testing beyond specifications. These are handbuild products only for you.

Back in 1984 three young man in early twenties had no idea about anything other than the need to make things sound better, there was a salesman and two engineers, and they worked from two rooms above a shoe shop outside London, United Kingdom. They made amplifiers by hand and every single one was listened to and built by the people that designed them and owned the company. Passion was not adequate enough to describe their drive.

These values 35 years ago are still the same values today.
Handmade product for people who love to enjoy their music.

We celebrate 35 years from our first OA21 amplifier build by Onix Audio in 1984 and its continuing love and use from all over World music

lovers & people that appreciate it`s legacy. We build all amplifiers for you.  They are yours from the moment you place the order.

Tailor made and perfectioned to satisfy.

Welcome to OA21 World today. Onix Audio - Twenty One. New Age. New Era.

We celebrate 35 years from our first OA21 amplifier build by Onix Audio in 1984 and its continuing love and use from all over World music

lovers & people that appreciate it`s legacy. We build all amplifiers for you.  They are yours from the moment you place the order.

Tailor made and perfectioned to satisfy.

Welcome to OA21 World today. Onix Audio - Twenty One. New Age. New Era.

When we first created OA21 amplifier 35 years ago we simply did not know... We did not know that our simple and classic design amplifiers will be appreciated throughout the time and will become a part of the family. Many electronic designs has changed over and over but OA21 has been timeless. Like a well known watch or a world renowned car, pure and perfect - It's built to last to its owner and the next generations.

Behind every our design there are an important structure how we create it. For you it's important to understand what you are buying and why.

Back in 1984 three young man in early twenties had no idea about anything other than the need to make things sound better, there was a salesman and two engineers, and they worked from two rooms above a shoe shop outside London, United Kingdom. They made amplifiers by hand and every single one was listened to and built by the people that designed them and owned the company. Passion was not adequate enough to describe their drive.

These values 35 years ago are still the same values today.
Handmade product for people who love to enjoy their music.

TIMELESS DESIGN

When we first created OA21 amplifier 35 years ago we simply did not know... We did not know that our simple and classic design amplifiers will be appreciated throughout the time and will become a part of the family. Many electronic designs has changed over and over but OA21 has been timeless. Like a well known watch or a world renowned car, pure and perfect - It's built to last to its owner and the next generations.

Behind every our design there are an important structure how we create it. For you it's important to understand what you are buying and why.

DESIGN PROTECTION

When we first created OA21 amplifier 35 years ago we simply did not know... We did not know that our simple and classic design amplifiers will be appreciated throughout the time and will become a part of the family. Many electronic designs has changed over and over but OA21 has been timeless. Like a well known watch or a world renowned car, pure and perfect - It's built to last to its owner and the next generations.

Behind every our design there are an important structure how we create it. For you it's important to understand what you are buying and why.