The Behringer K900FK Ultratone is a flexible 90-watt 3-channel PA system/keyboard amplifier with effects and FBQ feedback detection built in.
The Behringer K450FX 10" Ultratone is an ultra-flexible 45-watt 3-channel PA system / keyboard amplifier with FX and FBQ feedback detection.
Plug in your keyboard, microphone and another instrument with this 3-channel, 40-watt amp from Peavey.
Fine tune your sound with this 4-channel, 60-watt amp from Peavey. With separate EQ for both channels, you can perfect each note.