R4 audio input 600Ω: 2K4 step-up signal transformer, 2 times voltage amplification, balanced to unbalanced, 10Hz~50KHz -0.4dB
USD 38.29
R4 audio input 600Ω: 2K4 step-up signal transformer, 2 times voltage amplification, balanced to unbalanced, 10Hz~50KHz -0.4dB