Shift your car audio experience up a gear with this mini plug-and-play device. Get powerful sound from bass to soprano without making any change to your original speakers. High fidelity and deep rich tones are guaranteed at any sound frequency even at low power outputs. While watching videos in you car, its unique audio processing program and technique will create a feeling of being in the theater, with distinct dialogue voice out of powerful background sound. With its simple installation and easy setup, traditional car stereo refits and complicated computer-based tuning will no longer be necessary.