Welcome to Blue Horizon

Blue Horizon is a design and manufacturing company specialising in professional-grade audio accessories based in Winchester England. Formed in 2008 by Keith Martin the founder and Managing Director of the IsoTek brand, his one goal is to create sound-enhancing accessories that enable audiophiles to achieve an even greater level of performance from their hi-fi system.

Blue Horizon’s professional-grade, sound-enhancing accessories deliver class-leading performance as a result of innovative technology and meticulous design. These unique ideas are engineered to the highest possible standard and developed by a highly qualified, award-winning team with over 100 years combined experience in specialist audio.

Get more out of your system

Phono Add Ons
The enjoyment of playing music in an analogue environment has gained a new lease of life over the past years. However it’s also important to maintains records and improve turntable performance.
HiFi Racks
Our Rack System (PRS) delivers three levels of performance in a highly flexible, upgradable and configurable structure that can dramatically improve your system's performance.
Enhancing Accessoires
Discover Blue Horizon's award-winning range of system enhancing accessories, developed to help you improve your audio system's performance whenever you listen.

Product Catalogue


Find out more about Blue Horizon’s expanding range of innovative audio accessories, delivering exceptional and cost-effective performance upgrades to improve the sound of your audio systems.