Definitive Technology Descend DN15 15" powered subwoofer (Midnight Black)

Product highlights: bass-reflex (passive radiator) enclosure built-in 500-watt RMS Class H amplifier (1500-watt peak) 15" long-throw woofer dual 15" 3XR passive radiators 56-bit Digital Signal Processor (DSP) for clean, extended bass response at high volumes three built-in EQ modes: Flat: balances low-end extension and high output across the sub's frequency range Deep: emphasizes low-end extension — great for music Loud: emphasizes high output for all frequencies — great for movies and TV LFE input (line-level mono-RCA) for use with a home theater receiver's sub output line-level stereo RCA input speaker-level inputs (five-way binding posts) 3.5mm IR and 12-volt trigger inputs for custom integration frequency response: 20-150 Hz low-pass crossover: 40-120 Hz Intelligent Phase Control™ for customizable phase adjustment -135 to 180 degrees in 45 degree increments back-panel toggle buttons for phase, display, and EQ includes remote control with volume, phase, and EQ controls LED on sub displays status for easy reference 23-7/16"W x 24-15/16"H x 25-3/16"D weight: 114.6 lbs. warranty: 5 years (woofers); 3 years (amp) MFR # 300050-01-00-101