In-Ear Monitors
64 Audio U18s
All 64 Audio · MSRP $2,999
A universal-fit in-ear monitor from 64 Audio with 18 drivers per side: one tia high driver, one high-mid driver, eight mid drivers and eight low drivers, with an integrated 4-way passive crossover. It uses an aluminum shell, Apex venting modules, Linear Impedance Design circuitry and a detachable 2-pin cable.
Specifications
| Frequency response | 10 Hz – 20 kHz |
| Sensitivity | 106 dB/mW |
| Impedance | 8 Ω |
As stated by the manufacturer — not community data.
Will it drive? · On paper
Plays straight from a phone
A phone or laptop reaches full listening level. An amp is a choice, not a requirement.
| Needs, for 110 dB peaks | 0.14 V · 2.5 mW |
| Phone or laptop (≈0.70 V, 20 mW) | Enough |
| Dongle DAC/amp (≈2.0 V, 120 mW) | Enough |
Worked out from the stated 106 dB/mW and 8 Ω — not a listening test.
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