MTX MTX Amplified ThunderForms

The enclosure contains a built-in 200-watt Class D (digital) amplifier that allows RCA or speaker-level input. The amplifier is highly efficient and designed specifically for use with the subwoofer in the enclosure. The low-pass filter frequency can be varied from 50 to 150 Hz for a seamless transition between the output of this unit and that of the other speakers in the vehicle. The unit offers one pair of RCA inputs that can be used with a High Level (speaker-level) or Low Level (preamp-level) input si...