Behringer K900FX Ultratone Keyboard Amp

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270.00 (including VAT @ 23%)

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This item has been ordered from our supplier, and we are currently awaiting delivery.

We will dispatch this product to you as soon as it is received from our supplier.

"Estimated delivery to you" is our estimate of when we will be able to deliver the product to you, based on our supplier's normal delivery timescales. If we become aware it is going to take significantly longer than normal to deliver this item, we will let you know, otherwise, we will advise by email or text message when the item has been dispatched from our distribution centre.

Estimated delivery to you: 15th December 2016
FREE Delivery available.

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30 day money back guarantee included

30 day money back guarantee included

Once the product is delivered, you have 30 days to decide that you definitely want to keep it. If you decide it is not suitable for any reason, you can return it back to us for replacement or full refund, including standard delivery charges.

All Products are new unless stated, and include a minimum of one year warranty.

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Optional: 3 year warranty: €13.50
(Includes 60 day money back guarantee)


The product price includes a one year warranty and 30 day money back guarantee.

However, the Gear4music extended warranty scheme provides an enhanced service, and is designed to offer a higher level of protection than many 'free' warranties offered by some retailers and manufacturers.

The highlights of this enhanced warranty service are:

  • Warranty is extended to 3 years from the date of delivery.
  • Our Money Back guarantee is extended from 30 days to 60 days (terms apply after 30 days)
  • Collection and delivery costs are included for the first two years
  • Claim 50% cash back on the cost of the policy after 3 years if it has not been used!
  • Warranty is transferable if the item is re-sold
  • Loan or replacement equipment will be provided if the product isn't repaired within 30 days
  • If an item can not be repaired, a similar alternative product or cash discount (as defined in this policy) will be offered
  • The policy can be cancelled within 30 days, and at any time after that for a pro-rata discount

Please note that this extended warranty is currently only available on products sold within the EU or EEA, and is subject to the terms and conditions as detailed on the extended warranty certificate provided.

For customers in outlying areas of the country, the price of the Extended Warranty may be marginally higher, due to the potential for higher collection and redelivery transport costs.

This enhanced warranty is in addition to the standard Gear4music and manufacturer warranty policies, and the Gear4music terms and conditions of trade. No statement or condition of sale contained within these terms affects or restricts your statutory rights as defined under the Consumer Contracts Regulation 2014.

Product Ref: 6335

  • 12'' Bugera Speaker and Custom-Made 1'' Driver
  • Integrated Digital FX Processor with 100 Presets
  • Dedicated 5-Band Graphic EQ
  • Revolutionary FBQ Feedback Detection
  • Independent Volume and FX Send Controls

Behringer K900FX Ultratone Keyboard Amp


The Behringer K900FX Ultratone Keyboard Amp is a compact and portable 90-watt amplifier that features a 12'' Bugera speaker and revolutionary FBQ Feedback Detection technology. Equipped with three independent stereo channels, each with independent Volume and FX Send controls, the K900FX is the perfect all-in-one solution for keyboard, electronic drums and vocal performances. Delivering extremely accurate sound reproduction and powerful low-end responses, the K900FX Ultratone Amp is suitable for use on stage and in the studio.

Product Ref: 6335

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Full Description

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  • Power Amplifier Output: 90 Watts
  • Loudspeaker Type: 12'' Bugera™ Woofer and Custom-Made 1'' Driver
  • Loudspeaker Impedance: 4Ω
  • Sampling Rate: 40kHz
  • Digital Effects Processor: 24-Bit Sigma-Delta, 64/128-Times Oversampling
  • Power Consumption: 150 Watts
  • Dimensions: 429mm x 492mm x 299mm
  • Weight: 18.8kg / 41.45lbs

Audio Inputs

  • Line Input 1 - 4: 1/4'' TS Connector
    • Impedance: Approx. 30kΩ, Balanced
  • Stereo Link Input: 1/4'' TS Connector
    • Impedance: Approx. 20kΩ, Unbalanced
  • CD/Aux Input: RCA Connector
    • Impedance: Approx. 20kΩ, Unbalanced
  • Mic Input 1: XLR Connector
    • Impedance: Approx. 2kΩ, Balanced

Audio Outputs

  • Headphones: 1/4'' TRS Connector
  • Line Output: 1/4'' TS and XLR Connectors
    • Impedance: 1/4'' TS Approx. 150Ω, Unbalanced / XLR Approx. 300Ω, Balanced
  • Stereo Link Output: 1/4'' TS Connector
    • Impedance: Approx. 150Ω, Unbalanced
  • Sub Output: 1/4'' TS Connector
    • Impedance: Approx. 150Ω, Unbalanced


  • Type: Graphic EQ with FBQ Feedback Detection
  • Frequency Range: 63Hz/250Hz/1kHz/3.5kHz/12kHz
  • Bandwidth: 2/3-Octave
  • Control Range: +12dB to -12dB