Cayin HA3 headphone amp

_t2ec16j_e9s2fb_pbshv3qvtuq_60_3_1
Applicable for headphones with impedance from 30Ω to 600Ω.
Pure sound quality with tube output.
http://en.cayin.cn/products_info?itemid=90

Model
HA-3
Power Output
2100mW+2100mW(RMS,@32)
Frequency Respond
10Hz~100kHz (-1dB,AUX Input)
1600mW+1600mW(RMS,@64Ω)
10Hz~35kHz (-1dB,USB Input,24bit/192kHz)
500mW+500mW(RMS,@300Ω)
Digital input
USB Audio
USB Capability
USB 2.0,support upto 24bit/192kHz
THD
0.01% (1kHz)
S/N
105dB (A-weighted)
Input Impedance
100KΩ (AUX Input)
Input Sensitivity
1.8V (AUX Input)
Input Terminal
USB-B,RCA
Headphone Output
6.35mm×2
Power Consumption
<35W
Dimension
180mm×290mm×65mm(W×D×H)
Net Weight
3kg
Tube
6N16B×2