The Pioneer DJ XPRS1182S 18-Inch Reflex Loaded Active Subwoofer from the XPRS2 Series couples the versatility and mobility of the original XPRS Series with elevated sound performance and audio intelligibility to deliver a high-caliber speaker system for mobile DJs, live sound, houses of worship, rental and fixed installations. Powerful Class D Amplification The XPRS2 Series employs Class D Amplification with high output wattage for a powerful and premiere audio experience for performers and listeners alike. The XPRS1182S subwoofer offers Class D 4000 W amplification. High Quality, Robust Build Pioneer DJ’s all-new XPRS2 Series features a sleek all-black, protective plywood cabinet for performance in harsh outdoor and indoor environments. The series models all come with a durable handle to support system portability and handling during setup and take down. The XPRS2 Series also features rubber feet to create separation and shock absorption between surfaces. Three DSP Modes The XPRS2 subwoofers contain three different DSP preset modes - Boost, Extended LF, and Normal - to suit different listening environments. Accurate Audio Performance and Frequency Response The XPRS1182S relies on an 18-inch ferrite woofer with a 3-inch voice coil with a long excursion to produce low frequencies with paramount accuracy. Offers a 40 to 120 Hz frequency response and 130 dB maximum SPL - the subwoofers pack in the performance of a permanent install subwoofer with the compact mobility required by today’s mobile artists, performers, and venues.