Installation Back Ground Speaker System. 2 Subs. 4 Wall Mount Column Speakers. All Cables and Brackets Included. Ideally suited to smaller venues this easy to install background music system is perfect for smaller pubs- bars- restaurants- shops and more. You can also buy in multiple sets to increase for larger venues if desired. In this set we include 4 column array high frequency speakers- 1 active sub- 4 speaker brackets- 2 XLR cables and 4 speakon cables- so all that is left to do is connect a suitable mixer or music player- mount the speakers and away you go! The subwoofer can be installed away from sight! The installer can use the supplied iLINE box to connect the system to a computer- to externally set up the sub woofers DSP- with control over- equalisation- delay- gain- crossover point and compressor. This is particularly useful for improving the sound quality. Settings can be changed in real time and saved into the sub woofers memory This sound system is really good for general back ground music and even offers a good amount of bass compared to other background systems on the market. The speakers are available in black or white.. column speaker-Installation PA-Background PA-Background Music System