Peavey KB® 4 75-Watt 1x15 Keyboard AmplifierKB 4 75 Watt 1x15 Keyboard AmpThe KB 4 was designed as a personal PA system in a keyboard amp. The KB 4 features separate inputs on each channel and can easily handle voice, microphones and other instruments, including acoustic and electric guitars, drum machines and backing machines, such as CD and DAT players. Other essential features include stereo effects loop, ground lift, master level, XLR balanced stereo line out, DDT defeat switch and the