The Kenwood KDC-BT362U combo pack includes two 6.5″ 600 Watt 2-Way Coaxial Stereo Speakers (model number Kenwood KFC-1665S), two 400 Watts 6″ x 9″ 3-Way Coaxial Speakers (model number Kenwood KFC-6965S), 400-Watt 4-Channel Waterproof Marine/Car Bluetooth Amplifier (Model Enrock EKMB500ABT) and necessary wiring.