Product Detail JBL 18 in high power woofer with a cast frame and 3 inch voice coil matched to a 500W peak amp Solid Perforated Kick Proof 18 gauge Grille to protect ithe speaker form damage Tough acoustically Superior enclosure constructed using 19mm MDF for improved LF performance Accepts Stereo or Mono line level inputs or a speaker level input to add solid bass to any speaker system Top Mounted 35mm Pole Mount socket for JBL's SS3-BK Pole . The "JBL JRX118SP Self-Powered Single 18-inch 350 Watt Subwoofer, Dual Inputs, Built in crossover" is best product for you. We recommended JBL JRX118SP Self-Powered Single 18-inch 350 Watt Subwoofer, Dual Inputs, Built in crossover