AX90

Drive unit:10mm Impedance: 16% Sensitivity: 3db Frequency:20hz-20khz Cord:1.2m Connector:3.5mm  

CJ 899

Drive unit: 10mm Impedaance:15% Sensitivity:3dB Frequency response:1.2m cord:3.5mm

CJ 905

Drive unit: 10mm Impedance: 15% Sensitivity:3db Frequency response:20hz-20khz Cord:1.2m Connector:3.5mm

CJ 906

Drive Unit:10mm Cord:2m Connector:3.5mm Sensitivity:3db

CJ2

Specs: Drive unit :10 mm Impedance:15% Sensitivity:3% Cord: 1.2 m Connector:3.5 mm  

TC 90

specs: Impedance: 15% Drive unit: 10mm Sensitivity: 3dB Frequency : 20hz-20khz Cord length: 1.2m Connector: type-c style