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The ACS range of In-Ear Monitors (IEM's) offers the perfect solution for musicians and music lovers alike. The sound quality of our IEM’s is second to none, while our range offers products to suit all requirements. Our custom made models are made using soft silicone, so as well as fitting perfectly they are the most comfortable IEM’s around.

Choose from our Custom IEM range for all round use, or our Custom Live! IEM range for the added feature of ambient sound. Whether you’re in the studio, on stage or just listening to music, ACS has an In-Ear Monitor that’s perfect for you.

All of our IEM's proudly feature Knowles© balanced armature drivers to ensure reliability and performance.

ACS Live! Series in-ear monitors give you the best of both worlds - High fidelity sound with a perfect, comfortable fit, plus the ability to hear your surroundings at a level you control. Combine our Live! Series IEM's with the ACS Ambient Processor and take your performance to another level!

ACS Custom in-ear monitors are all about the high fidelity listening experience. Custom fit soft silicone ear moulds create a perfect seal and comfortable fit, combined with state of the art speakers, patent-pending and exclusive technology and our own proprietary crossovers to ensure you are hearing the music as it was intended to be heard.

The Emotion Universal In-Ear Monitor is now available for a limited time only. Our purpose designed detachable cable system is so versatile that all our earphones can now be used for a variety of applications. With memory foam tips and classy smoke housings we think you’ll love them.