American Bass XMAXXX Monster Series 18" Subwoofer 501-1000 Crossover Controls: Variable low-pass and

Crossover Controls: Variable low-pass and high-pass filters adjustable from 40 Hz to 400 Hz at 12 dB per octave let users match the subwoofers to the vehicle’s acoustic space

Remote control: Includes Remote Subwoofer Control for on-the-fly level adjustments from the listening position

Deaf Bonce Machete MF-12R D2/D4 is a 12-inch subwoofer designed for demanding car-audio systems

template and specs on box

Crossover: Variable electronic 12dB/Otave

American Bass XMAXXX Monster Series 18" Subwoofer 501-1000 Crossover Controls: Variable low-pass andThe American Bass XMAXXX Monster 18" Subwoofer is built for extreme bass enthusiasts who demand high power, high impact low end in a visually bold, pro grade package. It delivers 4000W RMS and up to 8000W peak, with a blue powder coated basket and blue stitching surround that signaling performance and durability. RMS Power: 4000W RMS indicates the continuous power the sub can reliably handle; in a properly tuned system this supports sustained loud