64 Audio
Fourté
Introduced 2016$3,599 MSRP
The Fourté is 64 Audio's long-running flagship universal-fit hybrid IEM, combining the brand's proprietary tia (tubeless in-ear audio) high-frequency driver technology with a dynamic low driver, and has remained the company's top-selling flagship model since its 2016 debut, with subsequent special editions (Noir, Blanc) built on the same platform.
MSRP
$3,599
Used market · Good
$1,750
-51% vs MSRP
as of Sep 1, 2026MSRP to used market
From $3,599 at launch to $1,750 today.
Specifications
- Fit
- Universal fit
- Cable
- Premium cable, 7×7×4 multi-twist silver-plated OCC copper wire, 26 AWG, 0.23 Ω total impedance, terminated in 3.5 mm
- Price
- $3,599
- Impedance
- 10 Ω @ 1 kHz
- Sensitivity
- 114 dB @ 1 kHz @ 1 mW
- Shell material
- Black anodized aluminum shell with copper-color anodized aluminum faceplate
- Frequency response
- 5 Hz – 22 kHz
- Driver configuration
- 4 drivers: 1 tia High Driver, 1 High-Mid Driver, 1 tia Mid Driver, 1 Dynamic Low Driver
- Original release lineup status
- Debuted 2016; described as 64 Audio's highest-selling universal IEM model between 2016–2022 and still listed as a current, in-production product
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