TRUTHEAR KEYX Portable USB-C DAC Headphone Amplifier (CS43131, 3.5 mm)
The TRUTHEAR KEYX is a compact portable digital-to-analog converter (DAC) and headphone amplifier designed to enhance audio quality on smartphones, computers, and other compatible devices.
Key Features
- Cirrus Logic CS43131 decoding chip paired with a high-performance USB controller
- L-shaped CNC-machined, anodized metal housing eliminating traditional short cables
- USB-C to 3.5 mm 4-pin connector with integrated microphone support
- Compatibility with online DSP and configuration via the EQTOOL.COM platform
- Integrated design engineered for effective shielding against radio frequency interference
| Manufacturer | TRUTHEAR |
|---|---|
| Model | keyx |
| DAC chip | Cirrus Logic CS43131 |
| Maximum decoding capability | PCM 384 kHz/32-bit | DSD256 |
| THD+N at 1 kHz, 0 dBFS | Typical: -107 dB at 1 Vrms, 32-ohm load / Typical: -112 dB at 2 Vrms, 600-ohm load |
| Frequency range | 20 Hz – 20 kHz |
| Connector | USB-C to 3.5 mm – 4-pin (SE+MIC) |
| DNR at 1 kHz – 60 dBFS | Typical: 122 dB at 1 Vrms and 32 Ω load / Typical: 122 dB at 2 Vrms and 600 Ω load |
| SNR at 1 kHz, 0 dBFS | Typical: 122 dB at 1 Vrms and 32 ohms load / Typical: 122 dB at 2 Vrms and 600 ohms load |
| Output level | ≥50 mW at a 32-ohm load |
| EAN | 6975462650213 |
|---|
What is included in the package?
The package includes the KEYX DAC, a keychain, and a user manual.
Does the KEYX support headset microphones?
Yes, it features a 4-pin 3.5 mm connector (SE+MIC) that supports microphone input for calls and gaming.
What audio resolutions does the KEYX decode?
The device supports decoding up to PCM 384 kHz/32-bit and native DSD256.
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