64 Audio U4s
Universal in-ear monitor (UIEM)
Headphones$1,199Manufacturer list price
Specifications
- Type
- Headphones
- Description
- Universal in-ear monitor (UIEM)
- Topology
- 1 dynamic + 2 BA + 1 tia
- Signal path
- Analog
- Channels
- 2
- Channel format
- Stereo
- Form factor
- in-ear monitor
- Powered
- No
- Drivers
- 4-driver hybrid, 4-way passive crossover: 1 tia high driver, 1 high-mid BA, 1 mid BA, 1 dynamic low driver
- Frequency response
- 10Hz-20kHz
- Sensitivity
- 107 dB/mW @ 1kHz
- Impedance (Ω)
- 11
- Back design
- Sealed, interchangeable apex (air pressure exchange) module: m20/m15/mX included
- Country of manufacture
- USA
Details
I/O: Detachable cable, 3.5mm TRS plug (IEM-side socket type not stated on product page)
Notable use: Universal IEM for musicians and audio enthusiasts; entry point into 64 Audio's tia hybrid line
Notes: FLAG: universal-fit (not custom). 4-driver hybrid with tia (Tubeless In-Ear Audio) high driver and interchangeable apex module (m20/m15/mX included, m12 not listed as included). price_usd is direct-site list price; site also showed a $1,099-1,199 range at time of research.