TANGZU Wan'er SG 2 (2nd generation) - RM60 (nego.)
Driver: 10mm PET Diaphragm Dynamic Driver
Impedance: 19 Ω @ 1kHz (±20%)
Sensitivity: 113.5 dB @ 1kHz
Frequency Range: 20 Hz - 20 kHz
Distortion Rate: < 0.5%
Channel Balance: 1 dB @ 1kHz
Cable Material: Oxygen-free copper (OFC) silver-plated wire (100 × 0.08 + 250D)
Cable Length: 1.2 meters ±5%
Connectors: Detachable 0.78mm 2-pin flat socket (upgraded from QDC style)
Plug Options: Available in 3.5mm, 4.4mm, or Type-C