Please ask any and all questions before purchasing!PLEASE READ OUR RETURN POLICYTHE BIG BOSS 5 BASS is much more than an amplifier; it brings together the best technology available in terms of audio and design. With 108 RGB LED effects, it elevates your sound to an incomparable level and transforms your car into an audiovisual spectacle. The high technology in its construction and automatic multi-impedance system (0.5 to 2 Ohms) makes it an extremely versatile powerhouse. Furthermore, it is a robust and resistant product, designed for exceptional performance when used with subwoofers. Has a wide range of colors and light patterns that sync perfectly to the beat of your music. The Big Boss 5 Bass is an ideal choice for those looking for power, flexibility and style in their sound system.