Alien-4 satisfies new segment that likes compact sound system with next level far-reaching sound output. Alien-4 housed high-class technology that last for several years. The product has a compact design that cover less space on desk and produces good quality sound. Audionic plans uncountable products known for high class features and specifications. Features: Input : AUX Drive Unit : 3″ X 2 Power Output: 3W X 2 Frequency Response: 60Hz ? 20KHz