Powered 10" Portable Speaker System, Bi-Amplified, 125 watt Low-Frequency, 50 watt High-Frequency, 10" Differential Drive® Woofer with Neodymium Magnet, 1" (Exit) Titanium Diaphragm Ferrofluid Cooled Compression Driver, Black with 'EON' Embossed Grille.