64 audio A18s
Designed for professionals on stage and in the studio, the A18s is the final authority on flagship in-ear monitors that boast elite performance. Based on the world’s first 18-driver earphone, it provides the clarity and precision necessary for sound engineering with the warmth, power, and headroom demanded by musicians taking the stage.
Now including LID technology the A18s is our most capable and versatile in-ear monitor ever created.

A18s features the following unique technology:
A tubeless design that reduces resonance for a transparent and lifelike sound signature.

Only from 64 Audio, apex alleviates listener fatigue by releasing air pressure sealed in the ear canal. This venting enables musicians and music enthusiasts to listen more comfortably for longer.

Preserves the detail of your ear impressions using a new process of digital rendering and 3D printing for the most comfortable custom in-ear monitors available.

Enables a consistent, reliable sound regardless of audio source.

SPECIFICATIONS
Driver Type/Count |
Eighteen 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 |
-20dB w/ m20 module, -15dB w/ m15 module |
IN THE BOX
- A18s Custom In-Ear Monitors
- 64 Audio Personalized Protective Case
- Dehumidifier
- Cleaning Tool
- Shirt Clip
- 48" or 64" Detachable Professional Cable
- m20 apex Modules
- m15 apex Modules
- Round Sticker
