In Ear Monitors

ACS IERMs

Trusted by professionals who are serious about sound. Celebrating over 30 years of innovations.

A. Ambient Series

The dream of a vented IEM that delivers high-fidelity sound without sacrificing awareness of your surroundings is finally here. Our revolutionary Ambient IEMs achieve exactly that, thanks to a patent-pending ambient filter that lets you hear what's happening around you naturally.

Experience the Difference:

Crystal-Clear Audio:

State-of-the-art balanced armature speakers and precision crossovers ensure you hear your music exactly as it was intended, with a rich and detailed soundscape.

No More Occlusion:

Say goodbye to the plugged-up feeling you get with traditional IEMs. Our vented design keeps your ears comfortable and fatigue-free, even during extended wear.

Hear Your Environment:

Stay aware of your surroundings, whether you're on stage, in the studio, or even practicing on the street. Communicate with bandmates, hear off-mic cues, and feel more connected to your performance environment.

Uncompromised Sound Quality:

Unlike other vented IEMs, ours maintains a full low-frequency response for powerful bass and a truly high-fidelity listening experience.

Evoke2 Ambient

012 Knowles Wideband Balanced Armature Drivers

02Patent pending IRIS and exclusive SSI technology

03Tuned vented port with a 17dB ambient attenuating filter

04Built from 40 Shore medical grade silicone finished with a hard wearing flexible lacquer

05Detachable cable with 2-pin connection and memory ear hook

06Cable Length 1.3m

Engage Ambient

012 Knowles Balanced Armature Drivers: Single Bass, Single Mid-High

02Patent pending IRIS and exclusive SSI technology

03Tuned vented port with a 17dB ambient attenuating filter

04Built from 40 Shore medical grade silicone finished with a hard wearing flexible lacquer

05Detachable cable with 2-pin connection and memory ear hook

062-way crossover configuration

07Cable Length 1.3m

Evolve Ambient

013 Knowles Balanced Armature Drivers: Single Low, Single Mid, Single High

02Patent pending IRIS and exclusive SSI technology

03Tuned vented port with a 17dB ambient attenuating filter

04Built from 40 Shore medical grade silicone finished with a hard wearing flexible lacquer

05Detachable cable with 2-pin connection and memory ear hook

063-way crossover configuration

07Cable Length 1.3m

Emotion Ambient

015 Knowles Balanced Armature Drivers: Single Low, Dual Mid, Dual High

02Patent pending IRIS and exclusive SSI technology

03Tuned vented port with a 17dB ambient attenuating filter

04Built from 40 Shore medical grade silicone finished with a hard wearing flexible lacquer

05Detachable cable with 2-pin connection and memory ear hook

063-way crossover configuration

07Cable Length 1.3m

B. Classic Series

Immerse yourself in a world of unmatched sound quality and personalized comfort with our Classic Series IEMs. Designed for discerning musicians and audiophiles, these in-ear monitors combine the rich heritage of our T and Studio IEMs with cutting-edge technology.

Uncompromising Audio:

Professional-Grade Fidelity:

Experience the same high-fidelity listening experience trusted by pro-audio users. State-of-the-art balanced armature speakers deliver a detailed, immersive soundscape.

Proprietary Technology:

Our innovative engineering ensures pristine sound reproduction, faithfully capturing every nuance of your music.

Perfect Fit guaranteed:

Medical-grade silicone earmolds are custom-molded to your unique ear shape, providing exceptional noise isolation and a secure, comfortable fit for extended wear.

A Range of Solutions:

The Classic Series offers a variety of IEM options to perfectly suit your performance environment and monitor mix setup.

Evoke2 Classic

012 Knowles Wideband Balanced Armature Drivers

02Patent pending IRIS and exclusive SSI technology

03Built from 40 Shore medical grade silicone finished with a hard wearing flexible lacquer

04Detachable cable with 2-pin connection and memory ear hook

05Cable Length 1.3m

Engage Classic

012 Knowles Balanced Armature Drivers: Single Bass, Single Mid-High

02Patent pending IRIS and exclusive SSI technology

03Built from 40 Shore medical grade silicone finished with a hard wearing flexible lacquer

04Detachable cable with 2-pin connection and memory ear hook

052-way crossover configuration

06Cable Length 1.3m

Evolve Classic

013 Knowles Balanced Armature Drivers: Single Low, Single Mid, Single High

02Patent pending IRIS and exclusive SSI technology

03Built from 40 Shore medical grade silicone finished with a hard wearing flexible lacquer

04Detachable cable with 2-pin connection and memory ear hook

053-way crossover configuration

06Cable Length 1.3m

Emotion Classic

015 Knowles Balanced Armature Drivers: Single Low, Dual Mid, Dual High

02Patent pending IRIS and exclusive SSI technology

03Built from 40 Shore medical grade silicone finished with a hard wearing flexible lacquer

04Detachable cable with 2-pin connection and memory ear hook

053-way crossover configuration

06Cable Length 1.3m