The JBL PRX912 takes professional portable PA performance to a new level with advanced acoustics, comprehensive DSP, unrivaled power performance and durability and complete BLE control via the JBL Pro Connect app. The PRX915XLF powered 15” subwoofer achieves incredible bass performance with an ultra-efficient 2,000-watt Class D amplifier, delivering clear, defined bass with smooth low-frequency extension at maximum volume. Combined with JBL speaker poles, which position the PRX912's above the subs, setting up your perfect system is a breeze. Buy them together in this special bundle and save!