Main Features:- FLT - 4230 4.0 inch 20W coaxial car audio loudspeaker- Material: Metal- Type: Coaxial- Power: 20W- Impedance: 40 HMS- Frequency: 70 - 20K Hz- Sensitivity: 85dB / W / M- Max.music power: 80W- Aramid fiber composite cone, high energy double neodymium magnet, shielding design, two way speaker- Easy to install Type: Othe...