The Rockville RSM15A is a 1400 watt floor stage monitor. The high power 15″ woofer with 3″ KSV voice coil provides incredibly deep bass and acoustic power. Additionally, a microphone/line selectable input gives you the flexibility of plugging in a mixer signal, microphone, keyboard, or your guitar. It boasts a high-power two way stage monitor speaker system. Therefore it is perfect for live sound as well as playback applications. The Rockville RSM15A supports multi-speaker set-ups thanks to its balanced preamp output.