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Behringer K900FX

Keyboard / PA amplifier90 Watts - That should make it difficult to reach the performance limits! This 3-channel PA / keyboard amplifier enclosed in a bass reflex cabinet has powerful original 12" BUGERA ™ speakers and a specially developed 1" tweeter, delivering clear, clean sound - ideal for larger gigs.

The amp has an internal 24-bit FX processor on board, which offers 100 presets including reverb, chorus, flanger, delay, pitch shifter and various multi-effects. Our revolutionary FBQ Feedback Detection displays feedback frequencies and makes it easy for you to avoid feedback problems.

Furthermore, the K900FX provides full 3-channel operation with a separate volume control and an FX Send per channel as well as an additional XLR microphone input (channel 1) for connecting dynamic microphones directly. An integrated 5-band graphic EQ will give your sound a finishing touch.

  • 90 Watt
  • 3-Channel PA / keyboard amplifier
  • 12" BUGERA woofer and custom-made 1" tweeter
  • 24-bit digital stereo FX processor with 100 presets including reverb, chorus, flanger, delay, pitch shifter and various multi-effects
  • FBQ Feedback Detection System instantly reveals critical frequencies and helps to remove feedback
  • Complete 3-channel operation with separate volume control and FX Send per channel
  • Additional XLR mic input on Channel 1 for connecting a dynamic microphone directly
  • Separate 5-band graphic EQ
  • Line output
  • Main section with FX Return level and Master Volume Control
  • Subwoofer output
  • CD input
  • Separate headphone output
  • Integrated 35-mm socket for stand mounting and PA applications
  • Dimensions W x D x H in mm: 429 x 492 x 299
  • Weight: 18.8 kg
No JavaScript? No Audio Samples! :-(

Sound samples

  • Clavinet
  • E-Piano
  • Organ
  • Vocal

Further information

Power 90 W
Internal Effects Yes
28 customer ratings:
  • 5
  • 4
  • 3
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  • 1
4.3 / 5.0
  • handling
  • features
  • sound
  • quality
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de Automatically translated (Show original)
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Very good performance at a low price.

jaguar1983, 10.10.2009
I bought the Behringer K900FX Keyboard Amplifier both for home and live use.

In both situations I am extremely satisfied. The extremely many effect possibilities I need especially in the Bandproberaum and at home, because here I play small rooms and would like to use different Hall effects. The additional microphone input was particularly useful for me in live performances, since you can connect a microphone very quickly and thus spontaneously with a singer / singer can make music. Short speeches can also be made easy.

The sound sounds very good when using the keyboard as well as for singing. Also useful is the line-out, for seperately recording the total output of the amplifier during a concert. Also the CD-in can be easily used to connect during a longer break during performances, eg an MP3 player. With a suitable cable this is very easy.

A problem, however, has been determined, but I am not yet sure whether it has to do with the cable or the amplifier itself. Sometimes it comes to strange knack / click sounds (as with record players), but these occur very rarely and do not really disturb me personally. Especially since these have never been performed at concerts. Perhaps it has to do with poor ventilation conditions, as too close to the wall etc.

Overall, I can only recommend the amplifier, since it offers a lot of performance and features for a comparatively very low price.
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es Automatically translated (Show original)
esOriginal review (Show translation)
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An all-terrain.

Informática y Formación Gallega S.L., 18.03.2013
This is the third Behringer amplifier we bought. A 450, a 1800 and finally this one that has been chosen to be of the models that allow to "punch" him in a paw of loudspeaker of the greater power.

In favor of these equipment I have that in the models with tweeter the sound is a little more clear being the sufficient power for medium-sized premises. Of course the actual power does not match the model numbers but they are very tacky.

The integrated mixer makes it unnecessary to use an external mixer in most cases. The microphone input leads phantom, not 48 but with sufficient voltage for most condenser microphones and live speakers.

The built-in effects are the same as any other current integrated effect. Reverbs and delays quite usable, some octavador, ... But we can only adjust the level. It is not possible to set any other parameters.
Anyway we have a lot of possibilities and saves us an external reverb.

The sound is good in general although it is not comparable to boxes of higher range. Good enough for the price you have but something lacking in nuances for a good electric piano, for example.

I have had to repair the 450 (a lower model) to change the encoder of the effects unit and in addition to being able to check that the mechanical construction is very good I can say that the internal circuitry is very clean and the ampli of power (hybrid) perfectly Repairable in any technical service. The broken encoder costs 2 euros per internet and the rest of spare parts should be easy to locate in the market for little price.

For me it is not a negative point but I think it appropriate to indicate that these teams weigh a lot. The wood is thick and weighs.

Overall a good buying option perishes.
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€263 £231.37
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Offers include 20% British VAT and are valid as long as stocks last. Shipping costs to the U.K. are 10 EUR (approx. £7), free shipping on orders above 199 EUR. Please click here for international Shipping rates. We do not accept liability for typographical errors or inaccurate information of any kind. *RRP = manufacturer's / distributor's recommended retail price in Germany
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