International Audio Holding is the company behind the globally renowned and prolific brands Siltech and Crystal Cable. Although two different brands, they share one ultimate goal: to create the best possible musical reproduction through high-end cables, loudspeakers and amplifiers. Our products are distributed in over 50 countries, reviewed by the most renowned reviewers, showcased at high-end shows around the world and designed, engineered and crafted by our specialised team in a small town in The Netherlands.