KA2 Compact Portable DAC and Amplifier - BLACK
General specifications | |||
Name/Model | KA2 | color | Classic Black |
hardware | DAC: CS43131*2 | FiiO Control | support |
weight | About 12.3g | size |
fuselage: about 40mm x 15mm x 12mm. Line length: 70mm |
Audio input interface | Type-C Cable or Lightning | Headset output interface | 4.4mm socket |
firmware upgrade | The system firmware can be upgraded through USB | sample rate indication |
blue: below 48kHz yellow: above 48kHz Green: DSD |
channel balance |
<0.02dB(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 (4.4mm) | |||
output power | 112mW (16Ω,THD+N<1%) | output amplitude | 2.2V(32Ω/THD+N<1%) |
153mW (32Ω,THD+N<1%) | channel separation | ≥ 91dB(1Khz,32 Ω load) | |
54mW (300Ω,THD+N<1%) | |||
27mW(600Ω,THD+N<1%) | output impedance | <0.5 Ω (load 32 Ω) | |
frequency response | 20Hz to 20KHz, the curve amplitude changes by 0.03dB. | signal-to-noise ratio | ≥ 125dB(32 Ω A) |
20Hz to 50KHz, the curve amplitude changes by 0.05dB. | ≥ 131.2dB (600 Ω A) | ||
bottom noise | <1.1uV(32 Ω-A) | distortion plus bottom noise | <0.00036%(32 Ω) |
<0.00023%(600 Ω) | |||
<1.05uV(600Ω-A) | <0.00024%(32 Ω A) | ||
<0.00014%(600 Ω A) |