MP3, mini plug kit. Easily connects to your MP3 or laptop computer to play music or listen to your favorite movie while driving your golf car. Kit includes mini plug, speakers, amplifier, wiring and hardware it is a Millenia 2-channel IC Power Amp, 45 watt, 20W RMS Speaker size Installation size: 4 1/2”W x 1 7/8”D x 4 1/2”H Overall size: 5 3/4”W x 2 1/2”D x 5 3/4”H