64 Audio U4s

Universal-Fit In-Ear Headphones

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Technical Data

Manufactured by 64 Audio
Released in 2023
Average price : $1217
With 4 balanced-amature drivers (1x tia high-frequency driver, 1 BA mid-high frequency driver, 1 BA mid-bass driver, 1 dynamic low-frequency driver)
4-Way passive crossover
Modular Apex module (m12, m15, m20, mx) for fatigue-free sound experience
Ergonomic aluminium housing
LID technology preserves sound characters independent of playback device
Frequency response: 10 - 20,000 Hz
Sensitivity: 107dB/mW @1kHz
Incl. leather case, TrueFidelity foam ear pieces (S,M,L), silicone ear pieces (S,M,L), SpinFit ear pieces (S,M,L), black 3.5 mm jack cable