Ambient Evolve Triple Driver Monitors – A well-balanced, detailed and accurate sounding IEM

From: $1,279.00

Ambient Evolve: Delivers a truly reference quality, high fidelity IEM. Well-balanced, detailed and accurate sounding In-Ear Monitor.

  • Medical grade soft silicone for maximum isolation
  • Precision balanced armature drivers
  • Frequency response: 20Hz – 20KHz
  • Detachable, Resilient 1.3m Stereo Cable
  • Wide range of colours available
  • Custom Evolve monitors require ear impressions


Ambient Evolve IEM’s – The ultimate high-fidelity in-ear monitor

ACS Ambient Evolve Triple Driver in ear MonitorsThe Evolve Ambient is the ultimate reference quality, high-fidelity in-ear monitor. With well-defined low end, incredibly detailed mid range and accurate highs with no harmonic distortion, together with our exclusive Sound Stage Imaging (SSI) technology, the Evolve has a reliable flat frequency response. The Evolve is every musicians’ dream with pro-audio reliability and performance. This together with a precision tuned vent and filter to help cancel the occlusion effect and stay in touch with your performance environment.

If you are looking for a well-balanced completely versatile in-ear monitor, the Ambient Evolve is the one for you.

Ambient Evolve Monitors are perfect for professional applications requiring ambient awareness.

Ambient Evolve IEM’s utilize top technologies

We have introduced our patent-pending IRIS and exclusive SSI technology across our entire IEM line-up.

IRIS – Intelligent Resonance in Silicone is a patent-pending technology we have created to maximise the potential of miniature balanced armature speakers. IRIS construction methods allow for very precise acoustic tuning to deliver our unique ACS sound signature. IRIS brings an added dimension to music in a way that mimics the warm, lush and open sound that valve amplifiers provide.
SSI – Sound Stage Imaging is a tuning technique achieved by using our own purpose-designed manifold technology. Implemented into our custom and universal in-earphones, SSI positions the audio into a wider array than other earphones, bringing a superbly defined and very detailed response to further enhance your listening experience, positioning all the instruments as if you were sitting in front of the stage listening to the live performance.

Combining a high-fidelity listening experience, soft silicone comfort and awareness of your immediate surroundings – our Ambient series IEMs are the only precision tuned vented IEM on the market that features a dedicated patented ambient filter.

The highest quality Kevlar woven cables

Ambient Evolve Triple Driver Monitors kevlar cablesThe cable fitted to your ACS monitors is of the highest quality. Manufactured to our own specification, each cable contains 80 strands of 100% oxygen-free copper with each strand plated in pure silver. Aramid fibres (Kevlar) are woven into the twists to provide exceptional pulling strength and breaking strain. The sheathing on the cable is treated to dismiss harmful UV rays and will not discolour or oxidise like many other inferior cables. The design of the cable provides the best connectivity between your audio source and the earphones. When the cable is fitted in the lab it has optimum contact to the cable socket, therefore we strongly recommend that you don’t disconnect the cable unless it requires replacing.


The ACS Evolve Custom has a soft silicone earphone body for ultimate comfort and the highest levels of sound isolation, offering superb, solid low-end from the large bass driver alongside mid-range and treble drivers so clear and rich that you can pick out every nuance of your music.

In ear monitors with the latest technology provide high fidelity sound

Combining the latest ACS technologies and the new detachable cable system the Ambient Evolve IEM delivers a truly reference quality, high fidelity In-Ear Monitor. If you are looking for a well-balanced, detailed and accurate sounding IEM without breaking the bank then the Evolve is the one for you.

Our Custom In-Ear Monitors are made to fit your ears perfectly, providing a complete seal to prevent sound leakage and deliver the highest quality sound.

Now also in the exciting new colours: transparent Blue, Slate and Sterling.

Items included:

  • Carry Pouch
  • Wax Pick
  • Comfort Cream
  • Care and Instruction Booklet
  • 3.5mm to 1/4″ Step-Up Adapter
Please note the ACS Revivo dryer is not included when you purchase your monitor. We recommend you order it separately, click here.

Ambient Evolve IEM specifications

No. of Drivers3,(single low, single mid, single high)
Build Material40 Shore, custom fit, medical-grade silicone moulds finished with a hard-wearing flexible lacquer
Mould Type/sFull-Concha
Cable Exit OptionsTop (over-ear)
Cable TypeDetachable cable with a 2 pin connection and a memory ear hook
Cable 1.3m length and Straight 3.5 mm Gold-plated connector
Noise IsolationTuned vented port with a 17dB ambient attenuating filter = 17dB reduction of ambient noise
Frequency Range20hz-20Khz
Sensitivity @ 1Khz119.9db
Impedance @ 1Khz48ohms
Items IncludedCarry pouch, wax pick, care and usage instructions, comfort cream, step-up jack connector adapter

Care and maintenance of your Ambient Evolve IEM’s

We make our in ear monitors with pride and like all things worth having, they are worth looking after. Just follow these simple rules and you should receive many years of trouble-free service.

  • Check the sound ducts after each use and use the wire pick supplied to remove any ear wax that has made its way into the tubing
  • Never use the cables to remove the IEMs – this will eventually put strain on the connector and will damage the cable
  • Ensure moisture from either humidity or sweat is removed straight after use

Information related to Evolve IEM: custom in-ear monitors, moulded in-ear monitors, custom iems, custom in-ear monitors au, acs earplugs


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Ambient In Ear Monitors ACS
Ambient Evolve Triple Driver Monitors – A well-balanced, detailed and accurate sounding IEM
From: $1,279.00