Behringer Ultratone K900FX - 90W 12" Keyboard Amp

90-watt, 3-channel Mixing Keyboard Amp with 12" Woofer and 1" Tweeter
Behringer Ultratone K900FX - 90W 12
Behringer Ultratone K900FX - 90W 12
$249.99
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Behringer Ultratone K900FX - 90W 12" Keyboard Amp
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Affordable 3-channel Keyboard Amp

Ever run into a gig where your playing area is too small for everyone to bring amps, or even too small for a full blown PA? The Behringer Ultratone K900FX is a 3-channel, 90W all-in-one solution. A single 12" woofer and 1" tweeter give you full spectrum range to cover everything from bass to keys, guitars and vocals. A built-in feedback protection system will save your ears and keep the crowd happy too. Sculpt your sound with the 5-band EQ and onboard effects. The K900FX also works as a great keyboard amp with its three stereo inputs.

Behringer Ultratone K900FX Keyboard/PA Amp at a Glance:
  • Flexible ins and outs
  • EQ and feedback supression

Flexible ins and outs
Expand your sound by adding more Ultratone amps, or connect a subwoofer via the Sub Out jack. The K900FX also a 1/4" out to go to your mixer or stage snake. A handy aux input, via RCA jacks, lets you hook up MP3 players, CD players, and more. Each channel on the Ultratone K900FX features 1/4" inputs, and the first channel has an XLR input for a microphone. A headphone jack was incorporated for silent practicing. This a perfect amp for a keyboard player with multiple keyboards.

EQ and feedback supression
The Behringer Ultratone K900FX features a 5-band EQ so can really dial in that perfect sound. Make you performance shine with onboard effects like reverb, delay, chorus and more. To fight the dreaded feedback, Behringer has included the proprietary FBQ Feedback Protection System to ensure problem free gigs.

Behringer Ultratone K900FX at a Glance:

  • 12" woofer, 1" tweeter
  • 90W
  • Subwoofer output
  • FBQ Feedback Protection System
  • Onboard FX
  • 3 channels
  • XLR input
  • Aux input
  • Headphone out
A great keyboard amp or compact PA, the Behringer Ultratone K900FX amp is ready to take to the stage.

Additional Media

Keyboard Amp Buying Guide
Ultratone K Series User Manual

Tech Specs

Speaker Size 1 x 12", 1 x 1"
Total Power 90W
Inputs 3 x 1/4", 1 x XLR, 1 x RCA (Stereo)
Outputs 2 x 1/4"
Mounting Options Pole
Height 17.375"
Width 16.875"
Depth 11.75"
Weight 41.45 lbs.
Manufacturer Part Number K900FX

Customer Reviews

4.5/5
Based on 10 reviews
Write your review
5/5

Great sound and great price!

Great sound, great price and shipped to your door!
5/5

all you need

I've been using this for about 2-3years in a church worship situation and I love it!!! it gets the job done without a lot of fuss.
5/5

Awesome

Wanted something that could accommodate an electric keyboard, electric drum set, and a mic. This thing is awesome and serves the purpose of bringing the family together for some great entertainment. Don't forget to pick up the On-Stage amp stand.
Music background: Self-taught
5/5

Works For Me

Using a Nord Stage2 Compact with is Amp. The sound quality is impressive. At this time I am just playing small venues and there is More than enough power. Very happy with this purchase. A good bang for the buck. BTW: Sweetwater delivered it in a couple of days. Was not expecting such fast delivery. Works for me.
Music background: Weekend Musician
5/5

Great product & features

We use Beringer speakers as our mains at church. We got the Ultratone K900FX for our keyboards and it was a lot better than others we tried. Now it complements all our other audio equipment. At the same time we can use it for our other location events as a multimedia amplifier (mic, instrument, laptop audio, etc.)
Music background: Audio/Video Engineer
See also: Keyboard Amps, Behringer, Behringer Keyboard Amplifiers