150W + 150W Maximum Power Output Mixing Amplifier±-Step Digital Key Controller to Adjust the Key of the Music to Fit Your Vocal RangeDigital Echo with Repeat and Delay Controls to Add Depth and Space to VocalsMicrophone Inputs with Individual Volume ControlsFull-Function Remote Control for Ease of OperationBuilt-in AM/FM Tuner with 60 Programmable Station Presets (30 AM, 30 FM)Master Music and Microphone Volume ControlsDetachable Power Cable, Remote Control, Operation Manual Included