Home / Keyboard / Keyboard Amplification / Behringer Ultratone K900FX – 90W 12″ Keyboard Amp Behringer Ultratone K900FX – 90W 12″ Keyboard AmpGHS5,204.16 90-watt, 3-channel Mixing Keyboard Amp with 12″ Woofer and 1″ Tweeter Behringer Ultratone K900FX - 90W 12" Keyboard Amp quantity Add to cart SKU: BEHK900FX Category: Keyboard Amplification Tags: Keyboard Amplifier, Keyboard Combo Product ID: 4008