This great sounding speaker system with integrated crossover uses four drivers, two 8-in woofers, one 8-in midrange and one high frequency driver to create spectacular sounds. It also uses four tuned ports to help manage base response. Combine that with a full feature light show and this is something truly special. Includes standard size pole mount hole on bottom or use the rubber feet to floor stand the speaker. Integrated MP3 Media player, Media player for playing MP3 songs via USB, SD or Bluetooth technology. LED Show mode control knob options: OFF: Turn the light off., Mood: The lights will light up solidly., Meter: The column of Iights will simulate a digital volume., Mix: The lights willl ight up according to the frequency spectrum of the audio signal. Bass frequencies will produce more red light. Mid-range frequencies will produce more green Iight. Treble frequencies will produce more blue light. , Pulse: The audio signal will cause the lights to pulse with one color determined by the color select knob with their brightness determined by the light knob. Party: When the color select knob is fully counter clockwise, the LEDs cycle rapidly through a pre-programmed dynamic show of colors and meter levels. Turn the color select knob clockwise from this position to change to a slower continuous cycle of solid colors. Turn the color select knob further clockwise to slow down how quickly the colors change. Light brightness control. Level Mic / Line 1: Volume control for the microphone or line 1 input. Level Player/ Line 2: Volume control for the player and line 2 input. Treble control for high tone control. Bass control for low tone control. MIC / Line 1 Input: XLR jack input for connecting microphone or audio source with line level output e.g. mixer, CD player RCA Line 2 Input: RCA jack input or connecting audio source with line level output e.g. mixer, CD player Jack 3.5mm Line 2 Input, Link output: XLR jack output for connecting another active loudspeaker. Player/ Line 2 Switch: selects between Player or line 2 input. LED Power indicator Dimensions: 10.5-in Width, 9.5-in Depth, 36.25-in height. Mounts to standard pole mount like the model: GLI-PRO SST-18.