Clear drum monitoring - ideal for gigs practice and studio recording. The Yamaha MS45DR Electronic Drum Kit Monitoring System make sure you hear every nuance of your performance. This 2.1 monitoring system helps you get the most from your electronic kit. It allows you hear your drums in the context of your environment and provides a more live feel than headphones. If you want to experience excellent audio quality from your electronic kit then the MS45DR is ideal. Helping you to be heard above your band. It features a really powerful subwoofer to give your kick a booming quality. And there are two high quality satellite speakers for more accurate monitoring. It is compatible with 1.5 inch diameter drum rack pipes. Please note: Electronic Drum Kit not included