All-in-one bluetooth PA system consists of (1) active subwoofer, (2) 4x4-inch array speakers(totally eight speakers), (2) speaker tripod stands, (6) 8-inch 6.35mm cables,(1)6 3/5 6.35mm cables,(1)33-feet 6.35mm cables, (1) remote control and (1) user manual. The active subwoofer features a 12-inch amplifier and streams music to the line array speakers, to deliver music to all audiences. Instantly pair with iPhone,iPod, iPad, android devices, etc with line of sight of up to 66 feet. You can also use the remote control to switch mode, play/pause, switch to previous/next song, increase/decrease volume from up to 20 feet; Telescoping speaker pole to adjust the pa system to desired height. Use side handles to lift and transport the subwoofer conveniently. The powered system set features BLUETOOTH/USB DRIVE/SD CARD functions. Simply insert USB drive/SD CARD to playback songs. Versatile 4-channel mono & stereo inputs (two mono XLR inputs for microphone or line-level source, one stereo 6.35mm input and one stereo RCA input) and one stereo RCA outputs. Individual volume controls and treble/bass control, master volume to set the general volume conveniently. Wide frequency response (from 40-20KHz) makes it suitable for amplifying any type of audio including music or vocals. Great for wedding, meeting, speeches, churches, class teaching, gymnastics, conference, home theater, etc. Easily connect to multiple musical instruments. Rock-solid subwoofer is made of MDF material and reduces resonance for distortion-free and accurate response. Eight tweeters and eight mid-tweeters ensures clear and deep stereo sound. Note: Items are shipped with three packages separately.