64 Audio A18t | Balanced Armature Custom IEMs

Packed with an unbelievable 18 balanced armature drivers per ear, the A18t is our top-of-the-line reference in-ear monitor. This industry-first design pushes the limits of what a reference monitor can be with incredible detail, extension, and unmatched clarity across all frequencies with a powerful low-end and extended sub-bass. The A18t is preferred by critical listeners in engineering, monitoring and mixing, and audiophiles.

These are CUSTOM earphones from 64 Audio

Current lead time is 4 weeks from the time 64 Audio receives the impressions. You need to visit an audiologist to get your ear impressions made first. By purchasing from Bloom, you receive our attentive lifetime support. We'll assist during each step of the process. Keep in mind, all custom earphones orders are final.

For more information about ordering customer IEMs, check out our Custom IEMs Guide or watch our video on Getting Custom IEMs. Feel free to Call, Email, or Message us if you have any questions about ordering custom IEMs.

This model is also available as a Universal IEM, the U18t

Tia
A tubeless design that reduces resonance for a transparent and lifelike sound signature.

Apex
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.

LID
Enables a consistent, reliable sound regardless of audio source.

Specs

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	111 dB/mW @ 1kHz
Impedance	9Ω @ 1kHz
Crossover	Integrated 4-way passive crossover
Isolation	-20dB w/ m20 module, -15dB w/ m15 module