Behringer euro live b115d active pa speaker delivers excellent, low - distortion power and state - of - the - art features. whether you're pumping out disco in a nightclub, hosting karaoke at the local bar, or emceeing a rocking house party, the b115d delivers the clean, in - your - face vocals, and chest - thumping bass you need to keep things hoppin'. you also get high - end features such as a 2 - band eq, active crossover, dual protection limiters, and transducer response correction ensuring that your audience experiences top - notch sound quality. also, thanks to its switched - mode power supply, the behringer euro live b115d active pa speaker is light enough to nix the roadie and is able to run cool for hours without breaking a sweat!