Original blue spectrum D42 uniersal surround sound earphones

Unit size: 14.2mm(moving-coil speaker)

Impedance: 320±15%

Working power: 100mw

The headset pin: 3.5mm(plating)

Frequency response: 20-20Khz

Acuity: 119±3db

Wire length: 1.35m

Blue Spectrum D-42

Wire: TPE wire

Line length: 1.35m

Pin: 3.5mm gold-plated

color: White

Control: IC

Conversion: None 

Model: D42

Speaker unit diameter: 14.2mm

Frequency response: 20hz-20Khz 

Resistance: 32 ohms

Sensitivity: 119±3db  

Distortion rate: +3%  

Rated power: 3mW

Input power: 8mW