2: Engage Dual Driver Monitors – Ideal professional all-round in-ear Monitor

From: $854.00

The Engage, a great value professional all-rounder, well-balanced, detailed, and accurate sounding IEM.



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

The Engage delivers deep and engaging low end, well-defined midrange and detailed highs with no harmonic distortion. Also, featuring our exclusive Sound Stage Imaging (SSI) technology, the Engage has a reliable flat frequency response that will suit guitarists, bassists, drummers, pianist and electronic dance musicians alike.

If you are looking a great value professional all-rounder, the Engage is the one for you.

Continuous Development
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.

Not all cables are created equally
The 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.

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


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.


No. of Drivers2 Knowles Balanced Armature Drivers (Single Bass, Single Mid-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
Standard Cable Length1.3m
Standard ConnectorStraight 3.5 mm Gold-plated
Frequency Range20hz-20Khz
Sensitivity @ 1Khz118.5dB @ 1Khz
Impedance @ 1Khz120 ohms  @ 1Khz
Items IncludedCarry pouch, wax pick, care and usage instructions, comfort cream, step-up jack connector adaptor

A few words about care and maintenance:

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.


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Engage ACS In Ear Monitors - Custom Hearing Protection
2: Engage Dual Driver Monitors – Ideal professional all-round in-ear Monitor
From: $854.00