AED 11,500.00 (Exc. Tax)

The U18t is packed with an unbelievable 18 balanced armature driver per ear. The U18t in-ear monitors is 64Audio’s 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 – just like its custom counterpart, the A18t. The A18t is preferred by critical listeners in engineering, monitoring and mixing, and audiophiles.

Each ergonomic shell is machined out of a solid piece of aluminum and finished with an elegant copper-patinated inlay on the faceplates.

Est. Build & Delivery Time: 4-6 Weeks

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SKU: 64A-0373 Categories: , , Tags: , Brand: 64 Audio

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The 64 Audio U18 Tzar™ is the world’s first universal-fit earphone with 18 balanced armature drivers per ear. It is the pinnacle of in-ear sound, designed for the most discerning listeners, audiophiles, and musicians who are searching for the ultimate reference sound. Pairing up a massive collection of 8 low drivers and 8 mid drivers with the tia™ high and high-mid drivers, all in a shell that’s actually smaller than our previous universal-fit flagship 12 drivers. The result is an incredibly tight low end, super transparent mids, remarkable high-frequency extension, and an out-of-this-world depth and soundstage. The U18 is designed with a combination of tia drivers and conventional drivers. Sound from the low and mid drivers combines in the tia single-bore and blends with amazingly-detailed highs from the proprietary open balanced armature tia high driver. All of this technology is housed in an aluminum shell for unmatched durability and beauty with elegant copper inlay patina faceplates. We pushed the limits with innovation and design to pack this kind of punch in a super ergonomic universal-fit design and are thrilled to finally drop this bomb on the in-ear monitor industry.

U18t Features

– Anodized Aluminum Shells
– Warranty: 1-year Parts and Labor
– Universal-Fit w/foam and Silicone Tips
– Internal apex™ Technology
– tia™ system: tia™ drivers, single-bore, acoustic chambers, passive radiator


The U18t features innovative apex™ technology. 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.

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


– 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

Additional information

Weight 0.50 kg
Dimensions 24.3 × 20.8 × 5 cm



– 64 Audio Personalized Protective Case
– Dehumidifier
– Cleaning Tool
– Shirt Clip
– TrueFidelity Eartips (S,M,L)
– Silicone Eartips (S,M,L)
– 48″ Detachable Premium Cable
– apex m20 Module
– apex m15 Module
– Round Sticker
– Product Manual


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