64 Audio Fourté
Universal in-ear monitor (UIEM)
Headphones$3,599Manufacturer list price
Specifications
- Type
- Headphones
- Description
- Universal in-ear monitor (UIEM)
- Topology
- 1 dynamic + 1 BA + 2 tia
- Signal path
- Analog
- Channels
- 2
- Channel format
- Stereo
- Form factor
- in-ear monitor
- Powered
- No
- Drivers
- 4-driver hybrid: 1 tia high driver, 1 high-mid BA, 1 tia mid driver, 1 dynamic low driver; direct-radiating drivers, single sound bore
- Frequency response
- 5Hz-22kHz
- Sensitivity
- 114 dB @ 1kHz @1mW
- Impedance (Ω)
- 10
- Back design
- Internal (non-interchangeable) apex vent, -20dB isolation
- Introduced
- 2016
- Country of manufacture
- USA
Details
I/O: Detachable cable, 3.5mm TRS plug (IEM-side socket type not stated on product page)
Notable use: Flagship/pinnacle universal IEM; audiophile listening and professional audio work
Notes: FLAG: universal-fit (not custom). Highest-priced current model; uses two tia drivers (high + mid), unique in the lineup. Internal/fixed apex module, excluded from m12/m15/m20/mX compatibility list.