This bundle features a Kicker 49DL7TDF122 Dual Down Firing L7 Thin 12" Enclosure and a Kicker LX850.1 850w Mono Class-D Subwoofer Amplifier with Smart Bass (51LX8501). The Kicker 49DL7TDF122 offers deep bass in a compact design, fitting under truck seats, and featuring a down-firing layout for durability and enhanced sound. Its square L7T sub design provides louder audio, and Forced-Air Cooling ensures high power handling reliability. The enclosure's dimensions are 17-1/8 x 38-3/16 x 8-1/4 inches. The Kicker LX850.1 Mono Amplifier from the LX-Series is designed for powerful bass with precise control, delivering high output performance. Featuring Class-D technology for efficiency and reduced heat, it offers Gain-match LEDs for distortion-free sound, KickEQ+ for bass boost control, and FIT+ technology for noise elimination. The amplifier produces 850W @ 1Ω RMS Power, with an adjustable frequency response of 10Hz-160Hz and various customization options like 11 RGB LED accent colors. Its dimensions are Height 2-3/8", Width 8-7/16", Length 9-7/16". Experience premium bass performance, precise tuning, and exceptional system control with the KICKER LX850.1 Mono Amplifier, perfect for a powerful and distortion-free low-end audio experience that brings your music to life.