CARPO-L2MKT3 ALL-IN-ONE SYSTEM: The CARPO-L2MKT3 bundle includes (2) Sound Town CARPO-L2 line array column speakers and (1) Sound Town STMICKT3 professional handheld dynamic 3 piece microphone set CARPO-L2 COLUMN SPEAKERS: Each CARPO-L2 system features a 12 powered subwoofer and an 8 x 3 full-range column speaker with a built-in 2-channel mixer and comes with (2) 1/4 and XLR inputs, and one and mix-out. Built-in MP3 module supports USB/SD inputs (flash drive only), enabling you to connect to instruments and portable media players STMICKT3 MICROPHONE SET: The STMICKT3 is equipped with cardioid pickup pattern that minimizes background noise and feedback, producing clear audio without unwanted interference from other instruments. Includes 3 microphones supporting various devices with 1/4 mic input