General Specifications
Name/Model KA13 Hardware solution DAC: CS43131 *2 
Color Midnight black/Dawn silver Dimensions About 56.5*22*10.5mm
Weight About 19g Adaptive impedance PO: 16~150Ω
Sampling rate indication RGB ambient light BAL: 16~300Ω
Max supported sampling rate 384K/32bit Firmware upgrade System firmware can be upgraded via USB
DSD64/128/256 FIIO control Supported
384K/32bit (coaxial)    
Buttons and Ports
USB port Type-C USB 3.5mm plug Single-ended/SPDIF output (shared)
Physical button Adjust volume, switch songs 4.4mm plug Balanced output
Toggle switch Desktop mode switch    
Audio Parameters
Parts of performance and parameters (3.5mm headphone out)
Output power L+R≥290mW+290mW (16Ω, THD+N<1%, USB IN) Peak output voltage ≥2.3V (32Ω, THD+N<1%)
L+R≥170mW+170mW (32Ω, THD+N<1%, USB IN)
L+R≥19.5mW+19.5mW (300Ω, THD+N<1%, USB IN) Output impedance <1.7Ω
Frequency response 20Hz~20kHz, damping≤0.1dB  Crosstalk ≥72dB (1kHz, 32Ω)
20Hz~50kHz, damping≤0.2dB Noise floor 2.5uV&1.7uV"A"
THD+N <0.0005% (0dB, 32Ω) SNR ≥122dB (32Ω, A-weighted)
Parts of performance and parameters (4.4mm headphone out)
Output power L+R≥500mW+500mW (16Ω, THD+N<1%, USB IN) Peak output voltage ≥4.2V (32Ω, THD+N<1%)
L+R≥550mW+550mW (32Ω, THD+N<1%, USB IN)
L+R≥78mW+78mW (300Ω, THD+N<1%, USB IN) Output impedance <1.8Ω
Frequency response 20Hz~20kHz, damping≤0.1dB Crosstalk ≥110dB (1kHz, 32Ω)
20Hz~50kHz, damping≤0.1dB Noise floor 4.6uV&3.1uV"A"
THD+N <0.0005% (-5dB, 32Ω) SNR ≥122dB (32Ω, A-weighted)

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