Behringer ULTRATONE K1800FX Ultra-Flexible 180W 4-Channel PA System/Keyboard Amplifier with X and FBQ Feedback Detection

The Behringer ULTRATONE K1800FX is a 4-channel, 180-watt keyboard amplifier and small PA in a rugged bass-reflex enclosure, housing a 12" woofer and a custom 1" horn-loaded tweeter. It features 4 stereo input channels, built-in 24-bit digital effects processing with 100 presets, feedback detection and suppression circuitry, a master 7-band graphic EQ and an XLR input for dynamic microphones.