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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.

  • Custom Series

    Combining state of the art speakers, patent-pending technology and our own proprietary crossovers ensures you are hearing the music as it was intended to be heard. Find out more here!
  • Live! Series

    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. Find out more here!
  • Emotion Universal

    Emotion Universal gives you our in-ear monitor sound quality in an off the shelf earphone. Whilst stocks last, the Emotion Universal is half price. Find out more here!
  • PRO-Fit

    COMING DECEMBER 2019 - One of the smallest, lightest earphones the market whilst providing the highest levels of sound quality and isolation. Find out more here!
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