Pair Faital Pro 3FE25 3" Midrange Full-Range Woofer Speaker 4 ohm 40W 91dB 20 Watts RMS, 40 Watts peak power handling High power Ferrite magnet with Copper Cap demodulation 4.8 mm long, 0.75" diameter Aluminum Voice coil on Kapton former with 1.73 mm Xmax Weatherproof with wide operating temperature. Great for extreme outdoor conditions. Made in Italy