The Behringer K450FX Ultratone Keyboard Amp is a compact and portable 45-watt amplifier that features a 10" Bugera speaker and revolutionary FBQ Feedback Detection technology. Equipped with three independent stereo channels each with independent Volume and FX Send controls the K450FX is the perfect all-in-one solution for both keyboard and vocal performances. Delivering extremely accurate sound reproduction and powerful low-end responses the K450FX Ultratone Amp is suitable for use on stage and in the studio.