Pair Faital Pro 4FE35 4" Midrange full range Woofer Speaker 16 ohms 60W 91dB 30 Watts RMS, 60 Watts peak power handling High power Ferrite magnet with Copper Cap demodulation 5 mm long, 0.75" diameter Aluminum Voice coil on Kapton former with 1.83 mm Xmax Weatherproof with wide operating temperature. Great for extreme outdoor conditions. Made in Italy