Titan Companion Speaker Kit has built-in 100 watt amplifier and receiver and 8" bass speaker with a 4" tweeter. It includes the S1691T wireless speaker transmitter which connects to the line-out or record-out jack on the SW800 for a cordless link between the main PA and the Speaker within the 300 ft. reception range. The S1691T can be connected to any PA system or device that has a 1/4" or 3.5mm LINE OUT jack. Built-in rechargeable batteries and AC Power cord. All built into cabinet with handle and wheels.