Define your sound system with the Juice JA1800D amplifier. The JA1800D is a 2400W D Class amplifier with a high-level speaker input. It features a pulse width modulated (PWM) MOSFET power supply with thermal, overload and short circuit protection. You can amplify a subwoofer or your speakers, and it will also boost your signal. With variable high-hass and low-pass filters, you can contour the sound to match your speaker setup and your vehicle. The JA1800D amplifier also includes silver-plated outputs, high-level speaker input, and variable filters to help improve your in-car sound experience.