Molded Enclosure: The molded, high-density polyethylene resin
enclosure resists flexing and dampens resonance.
MTX Audio Subwoofer: The ThunderForm houses a single
proprietary 0.35 ohm woofer. The woofer features a long excursion voice coil and
is designed to take full advantage of the efficiency of the enclosure's Class D
amplifier giving you powerful, low frequency bass extension
Class D Amplifier: 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 subwoofers in the
Built-in Low-pass Filter: 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.
Auto Turn-On Feature: When the speaker level inputs are used,
the system will automatically turn on and off with the radio.
Note: The auto turn-on feature does
not operate when the preamp level inputs are used, unless
the remote turn-on lead is connected.
External Bass Control: The external bass control allows you
to adjust the bass level from anywhere in the vehicle.
Protection Circuitry: The MTX ThunderForm features over voltage,
over current and voice coil short protection circuitry to protect the built-in
amplifier and mounted subwoofer.
Our Product Research Team
At Crutchfield, you'll get detailed, accurate information that's hard to
find elsewhere. That's because we have our own in-house Product Research
team. They verify what’s in the box, check the owner's manual, and record
dimensions, features and specs. We stay on top of new products and technologies
to help people make informed choices.