64 Audio A18s


64 Audio A18s is designed for professionals on stage and in the studio. The final authority on flagship in-ear monitors that boast elite performance.

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64 Audio A18s Custom in-ear monitor

64 Audio A18s is designed for professionals on stage and in the studio. The final authority on flagship in-ear monitors that boast elite performance.

64 Audio A18s

Designed for:

Based on the world’s first 18-driver earphone A18t, the 64 Audio A18s provides the clarity and precision necessary for sound engineering with the warmth, power, and headroom demanded by musicians taking the stage. Including LID technology the A18s is our most capable and versatile in-ear monitor ever created.

Express Yourself – Custom Style

A Sound Kitchen in-ear specialist will guide you through the over 70 different cosmetic options that our available with 64 Audio custom in-ears to truly create your one-of-a-kind IEM. These different options provide hundreds of unique combinations. Some of the options are included in the price, other more premium options, such as special faceplates or custom artwork, will have an additional price.


64 Audio Featured Technologies:

3D-Fit technology preserves the detail of your ear impressions using a new process of digital rendering and 3D-printing. Compared to conventional wax-dip molding, this process reduces distortion in the impression for the most precise and comfortable custom in-ear monitors available. All of 64 Audio Custom In-Ear Monitors and Custom Earplugs are crafted using this process.

Tia, or Tubeless In-Ear Audio, allows sound to travel to the ear in a more natural way, resulting in a more expansive soundstage and smooth frequency response. The complete tia system is comprised of three elements: open balanced armature drivers, a single-bore design, and acoustic chambers.

Apex, or Air Pressure Exchange, is a pneumatically interactive vent that releases air pressure in a sealed ear canal. This venting alleviates listener fatigue and opens the soundstage. Apex comes in three variations, mX, m15 and m20.

LID, or Linear Impedance Design, enables a consistent, reliable sound regardless of what you’re plugged into. LID is a proprietary circuit that corrects the non-linear impedances of the drivers, restoring proper interaction with the source and preserving the desired sound signature.


64 Audio Technology


Order Process

Please schedule an audition at our store to choose the correct custom earphone. When the choice is made, please have your ear impressions made at an authorized 64 Audio Audicien. Ear impressions are included in the price. Your ear impressions will be sent to 64 Audio by Sound Kitchen and once approved, your custom IEM will be made.



Driver Type/Count: 18 precision balanced armature drivers
Driver Configuration: 1 tia high, 1 high-mid, 8 mid, 8 low
Frequency Response: 10Hz – 20kHz
Sensitivity: 106 dB/mW @ 1kHz @ 1mW (84mV)
Impedance: 8Ω Nominal
Crossover: Integrated 4-way passive crossover
Isolation: -15dB w/ m15 module, -20dB w/ m20 module


All 64 Audio Custom In Ear Monitors have a warranty of 2 years. Please note that the accessories, such as cable, APEX modules, etc, have a limited warranty of 6 months.