The Behringer K900FX Ultratone Keyboard Amp is a compact and portable 90-watt amplifier that features a 12 Bugera speaker and revolutionary FBQ Feedback Detection technology. Equipped with three independent stereo channels each with independent Volume and FX Send controls the K900FX is the perfect all-in-one solution for keyboard electronic drums and vocal performances. Delivering extremely accurate sound reproduction and powerful low-end responses the K900FX Ultratone Amp is suitable for use on stage and in the studio.