Home / Keyboard / Keyboard Amplification / Roland KC-400 Keyboard Combo Amplifier Sale! Roland KC-400 Keyboard Combo Amplifier₵ 12,489.15 ₵ 9,991.32 150W, 4-channel Keyboard Amplifier with 12″ Woofer, Horn Tweeter, XLR Mic Input, and Stereo Link Roland KC-400 Keyboard Combo Amplifier quantity Add to cart SKU: KC-400 Category: Keyboard Amplification Tags: keyboard, Keyboard Amplifier, Keyboard Combo Product ID: 3974