KA1 Compact Portable DAC and Amplifier - BLACK
| General specifications | |||
| Name/Model | KA1 | color | Classic Black/Dark Night Green |
| hardware | DAC: ES9281AC PRO | FiiO Control | is not supported. |
| weight | About 10g | size |
fuselage: about 40mm x 15mm x 8mm Line length: 70mm |
| Audio input interface | Type-C Cable or Lightning | Headset output interface | 3.5mm socket |
| firmware upgrade | The system firmware can be upgraded through USB | sample rate indication |
blue: below 48kHz yellow: above 48kHz Green: DSD Magenta: MQA |
| channel balance |
<0.05dB(32Ω/THD+N<1%) |
impedance adaptation |
16 to 300 Ω |
| The highest supported sampling rate | 384KHz/32bit | Support DSD | DSD64/128/256 |
| power supply parameters | |||
| power supply | battery capacity | ||
| Audio parameters | |||
| Headset Output Part Performance Parameters (3.5mm) | |||
| output power | 43mW (16Ω,THD+N<1%) | output amplitude | 1.2V(32Ω/THD+N<1%) |
| 45mW (32Ω,THD+N<1%) | channel separation | ≥ 73dB(1Khz,32 Ω load) | |
| 13mW (300Ω,THD+N<1%) | |||
| 6.8mW(600Ω,THD+N<1%) | output impedance | <1.5 Ω (load 32 Ω) | |
| frequency response | 20Hz to 20KHz, the curve amplitude varies by 0.1dB. | signal-to-noise ratio | ≥ 114dB(32 Ω A) |
| 20Hz to 50KHz, the curve amplitude varies by 0.3dB. | distortion plus bottom noise | <0.0005%(32 Ω A) | |
| bottom noise | <2.4uV(A calculation) | <0.00018%(600 Ω A) | |
