Model:   T25-13C

                            VC:  1 inch/25.4 mm    

                            Rated Impedance:   4 ohm    

                            Frequency range:  1700-2000HZ  

                            Dome: Transparent silk dome                                     

                            Magnets:   ND-Fe-B

                                  Power:   35W-RMS  connect with crossover/capacitor

                      --AL housing with silver / black color

                     --Acrylic bottom plate

                      --Outer diameter 55 mm