RL-BT600 is a standalone 50W RMS per channel compact amplifier with built-in Bluetooth receiver - ideal for connection to any pair of speakers including in-ceiling, in-wall and outdoor. Supplied complete with power supply. Easy installation simply by connecting it to the desired speakers and power supply. The built-in amplifier auto-senses a Bluetooth sync to power on/off. Control the output directly from your Bluetooth enabled device. Push terminal speaker connector output.