About this item ALL-IN-ONE SYSTEM: The Sound Town Line Array Column System includes 1 x CARPO-M64B column speaker, 1 x STCL-POLESET subwoofer/column extender pole and 1 x CARME-18SPW1.1 powered subwoofer with DSP and Speaker Output. VERSATILE APPLICATIONS: The system is ideal for meeting rooms, courtyards, churches, restaurants, stages, weddings and any other small to medium venues. The powered subwoofer has speaker output to the column speaker which makes the setup a breeze. OUTSTANDING SOUND QUALITY: The CARPO-M64B column speaker has 6 x 3 drivers and 4 x 1.2 dome tweeters which provides balanced and clean array audio. The CARME-18SPW1.1 powered subwoofer comes with 18 high power LF in 4 voice coil serves up solid and punchy bass reinforcement.