Amplifierantre Subwoofer Black 999

Amplifier, a subwoofer with a power of 20 watts, a black KA999B subwoofer, an electrical device that works with loud sound. The amplifier consists of a converter of sound vibrations into electrical signals through the transmission of electrical signals. There is also a magnetic field due to the electric current, which creates a mechanical sound inside the pop and is controlled by a signal amplifier. Electrical This device, the black speaker KA999B, is very sensitive, so it must be used with care and care. If the device is not used for a long time, it must not be connected to the electric current to maintain the device