PREMIUM SOUND AND GREAT COVERAGE: With 1 x 12' powered subwoofer and 8 x 3' full-range drivers positioned at precise angles inside two vertical column speakers, the CARPO-L2 delivers high-quality sound and optimized dispersion. There is one height spacer included in the package that allows you to adjust the height of the array speakers. It is a professional-quality portable PA system for a great-sounding show LIGHTWEIGHT AND EASY TO SET UP: The Sound Town CARPO-L2 is compact and light enough to carry around and can be set up in seconds. Even better, with a carry bag for the column speakers and spacer, the whole PA system can be easily transported from gig to gig BUILT-IN MIXER FOR GREAT FLEXIBILITY AND CONTROL: The CARPO-L2 has a built-in 2-channel mixer and comes with two 1/4' and XLR inputs (MIC/Line switchable) and one XLR output, enabling you to connect your guitar and portable media player directly. It also features built-in MP3 module which supports USB/SD inputs