5 1/4" 4 way car speaker, IMPP cone, 8 OZ Magnet, 25mm ASV Voice coil, rubber edge, RMS 20W, 4ohms. 5 1/4" 4 way Car coaxial speaker/4-VĂas de Altavoces CoaxialesWoofer cone: IMPP Magnet: 8 OZ Voice coil: 25mm ASVEdge: Rubber edgeRMS Power: 20 Watts4 ohms 5.25" high quality 4-way car stereo speaker