Large size PEK diaphragm brings a wide sound field performance Impedance only 16Ω,sensibility 110db,customized PEK diaphragm,With the copper clad aluminum voice coil, when you need it you can burst out unexpected energy The humanized design of pluggable cable, using the standard 0 75MM gold plated pins,Provide convenient conditions for the replacement of cable for the day after the upgrade