With the LTC Audio Karaoke Star 4 your karaoke evening starts immediately. The set consists of 2 speakers and 2 microphones, so you immediately start singing. Via Bluetooth you stream music from your phone or tablet to the amplifier. You also plug in a music source in the line and USB port. In the microphones you and your friends sing your favorite songs. Your voices sound powerful from the included speakers. Can your singing voice use something extra? You easily add sound effects to the songs. Or go a step further and distort your voice with the voice distorter.