Peavey KB keyboard amplifierIntroducing the Peavey KB keyboard amplifier The KB Series gives musicians the power and reliability they need with an amplifier that brings everything together in one convenient package. KB amps do much more than just amplify keyboards they are a complete sound system for your band rehearsals or live performances. With up to five independent channels, you can use your keyboard, plus a vocal mic, guitar, drum machine, backing tracks and so much more.