Detailed Product Description Car Audio Speaker Specs: ModelHB-5001PSize(mm)166Impedance(Ω)4Rated Power(W)50F0(Hz)95±20%Frequency range(Hz)F0-20kSPL(dB)90±2(dB) Feature: All the product certified by ISO9001, ISO14001, and complied with Rohs standard Perfect appearance and good quality Made in china