64 Audio Duo
In-ear Monitor Headphones

Latest User Reviews
I have very smaller than average ears, the sound is good but the fits were not comfortable for my smaller ears
Aside from that, the ear fits looked weared and teared, a bit used. It's a good IEM for people with average ears, but not for smaller ears! Kept flopping out and got uncomfortable after some extensive wear.
Technical Data
- Manufactured by 64 Audio
- Released in 2021
- Average price : $1422
- With Apex Core, Tia, LID and Wave Sync technology
- 1x Tia high frequency driver
- 1x dynamic woofer driver
- Open headphone experience with the intimacy of an in-ear monitor
- Tia tube-less design reduces resonance for transparent and lifelike sound
- Apex Core ventilation system with perforated grille provides less obstructed airflow
- LID design for consistent, reliable sound regardless of audio source
- Wave Sync System perfectly controls crossover coherence
- Construction: Open
- Frequency response: 20 - 20000 Hz
- Sensitivity: 98dB/mW @1kHz
- Impedance: 9 Ohm
- Crossover: Integrated 2-way passive crossover
- Isolation: -12dB by internal apex technology
- 3.5 mm angled mini jack
- Incl. premium leather case, TrueFidelity foam earpieces (S,M,L), SpinFit silicone earpieces (S,M,L), silicone earpieces (S,M,L) and black premium cable
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