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Product 480785

Behringer ULTRATONE K900FX Keyboard Amp/PA System   

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This 3-channel PA/keyboard amplifier enclosed in a bass reflex cabinet has a special, beefed up 12" woofer and a custom-made 1" tweeter, delivering c...Read More

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OVERVIEW

Fully featured with PA capability.

This 3-channel PA/keyboard amplifier enclosed in a bass reflex cabinet has a special, beefed up 12" woofer and a custom-made 1" tweeter, delivering clear, clean sound. Behringer includes an internal 24-bit digital FX processor with 100 awesome presets including reverb, chorus, flanger, delay, pitch shifter, and various multi-effects. The revolutionary FBQ Feedback Detection System immediately indicates any feedback frequency. Enjoy full 3-channel operation with separate volume and FX Send controls, plus there is an additional XLR mic input on channel 1 for direct connection of dynamic microphones. Use the dedicated 5-band graphic EQ to give your sound your very own edge. All in all, the ULTRATONE K900FX amp offers a perfect balance of power and value in a sturdy, gig-ready package-at an unbelievable price!

FEATURES
  • Powerful 12'' woofer and custom-made 1'' driver for ultimate sound reproduction
  • Integrated 24-bit digital FX processor with 100 awesome presets including reverb, chorus, flanger, delay,
  • pitch shifter, and various multi-effects
  • Revolutionary FBQ Feedback Detection System instantly reveals critical frequencies
  • Full 3-channel operation with separate Volume and FX Send per channel
  • Additional XLR mic input on Channel 1 for direct connection of a dynamic microphone
  • Dedicated 5-band graphic EQ
  • Line output for direct connection to your mixing console
  • Main section with FX Return level and Master Volume
  • Subwoofer output for ultimate low-end power
  • CD input allows you to play along to your favorite music
  • Separate headphone output”perfect for quiet practicing
  • Integrated 35mm pole socket for stand mounting and use as PA System
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by Behringer Germany
SPECIFICATIONS

ULTRATONE K900FX Keyboard Amp/PA System

  • Inputs:
    Line In 1/4" TS connector
    Input impedance approx. 30 kOhm balanced
    Stereo Link In 1/4" TS connector
    Input impedance approx. 20 kOhm unbalanced
    CD In/Aux In RCA connector
    Input impedance approx. 20 kOhm unbalanced
    Mic In 1 XLR connector
    Input impedance approx. 2 kOhm balanced

    Outputs:
    Headphones connector 1/4" TRS connector
    Line Out 1/4" TS and XLR connector
    Output impedance 1/4" TS connector: approx.150 Ohm unbalanced
    XLR connector: approx. 300 Ohm balanced
    Stereo Link Out 1/4" TS connector
    Output impedance approx. 150 Ohm unbalanced
    Sub Out 1/4" TS connector
    Output impedance approx. 150 Ohm unbalanced

    EQ:
    5-band graphic EQ with FBQ Feedback Detection
    Frequency range 63 Hz / 250 Hz / 1 kHz / 3.5 kHz / 12 kHz
    Bandwidth 2/3-oct.
    Control range +12 to -12 dB

    Digital Effects Processor:
    Converters 24-bit sigma-delta, 64/128-times oversampling
    Sampling rate 40 kHz

    Loudspeaker:
    Type 12'' Bugera woofer and custom-made 1'' driver

    Power:
    General export model 120/230 V, 50 - 60 Hz
    Power consumption approx. 150 Watts
    100 - 120 V:
    3.15 A H 250 V
    220 - 240 V:
    1.6 A H 250 V
    Mains connection Standard IEC receptacle

    Dimensions:
    16 7/8 x 19 3/8 x 11 3/4"
    Weight: 41.45 lbs
Reviews
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Review Snapshot

by PowerReviews
BehringerULTRATONE K900FX Keyboard Amp/PA System
 
4.1

(based on 21 reviews)

Ratings Distribution

  • 5 Stars

     

    (12)

  • 4 Stars

     

    (4)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

60%

of respondents would recommend this to a friend.

Pros

  • Portable (4)
  • Easy to use (3)

Cons

No Cons

Best Uses

No Best Uses

Most Liked Positive Review

 

Great KEYBOARD Amp!

I have owned one of the K900FX amps for several years now and have had no problems with it so far. People tend to buy these amps to use a portable PAs because of...Read complete review

I have owned one of the K900FX amps for several years now and have had no problems with it so far. People tend to buy these amps to use a portable PAs because of the XlR Connection. These are Keyboard amps and do not have the same preamp structure of an guitar amp.Unless you have some kind of preamp for the guitar, it will not be loud enough. Also,I have used this with my band and it seems to have a good amount of volume to it. I would think that this would be loud enough for most small to medium venues. A trick I use is to elevate the amp to close to ear level so you can hear yourself and use the output to run to your PA. This amp has 3 inputs one of which has the XLR connection. 5 band EQ and a Decent FX section. It has a sub out for connecting a bass amp to extend your bottom as well as other features that many other keyboard amps do not. overall, it's like I've heard from a lot of users of behringer products," If it doesn't blow up right out of the box, you may have a good one." I've have both experiences with Behringer. I believe their quality control is not as good as say fender, peavey or others. They want to replace a bad unit rather than repairing. But all in all, I've been very satisfied. Behringer dealers will replace their products for a period of one year. Being that is the case, You may want to add the extra warranty to the purchase price. These amps really do sound good and they are worth the risks one takes when purchasing. A REMINDER to those who trash this amp because it's not loud enough when a guitar is played through it, It wasn't meant for guitar, it was meant for Keyboards. You want guitar, go buy yourself an acoustic guitar amp. They have the XLR input and the preamp section is built for guitar.

VS

Most Liked Negative Review

 

A Crap Shoot

Some reviews are quite positive for the Behringer Ultratone k900fx. I have had two of them in less than six months, and have had problems with both. The headphone jack and the line...Read complete review

Some reviews are quite positive for the Behringer Ultratone k900fx. I have had two of them in less than six months, and have had problems with both. The headphone jack and the line out worked just fine, but the internal speaker would drop in volume or cut out completely. This happened on both of the amps that I had. Luckily I purchased the protection plan from Guitar Center and was able to get something else with the money. But others have had good luck with them, so maybe I just got two bad ones out of the bunch. If the speakers hold up, it is a great amp for someone on a budget.

Reviewed by 21 customers

Displaying reviews 1-10

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(0 of 1 customers found this review helpful)

 
4.0

Works well for keyboard, drums, guitar.

By steve

from undisclosed

Verified Buyer

Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

Nice amp and works well for my small group. Only complaint is sound for recorded music not great.

Comment on this reviewHelp Icon

(0 of 1 customers found this review helpful)

 
1.0

No sounds thin

By Arthur

from undisclosed

About Me Professional Musician

Verified Buyer

Pros

  • Portable

Cons

  • Poor Sound Quality
  • Weak

Best Uses

  • Events
  • Performances
  • Professional Recording

Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

I have only used it once and I am thinking about returning it

Comment on this reviewHelp Icon

 
4.0

I would buy this again

By Pianoman

from Mena, Ar

About Me Professional Musician

Verified Buyer

Pros

  • Easy To Use
  • Portable

Cons

    Best Uses

    • Performances

    Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

    When I don't need my 300 watt amp, this 90 watt does a good job, and isn't so heavy to tote around.

    Comment on this reviewHelp Icon

     
    4.0

    Glad I Got It

    By Ted

    from Amherst, MA

    Verified Buyer

    Pros

    • Easy to Use

    Cons

      Best Uses

        Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

        Two line-level inputs, One Line-level / XLR Mic input. Onboard effects. Nice sound.

        I like the fact that the control knobs are on the top, not the front -- it's a lot easier to get to them no matter where you are in relation to the amp.

        The one drawback is that it is a bit heavy, but it needs to be to get the sound quality that it provides.

        Comment on this reviewHelp Icon

         
        5.0

        Absolutely no regrets

        By Great Balding Monkey

        from Jordan, MN

        About Me Experienced

        Pros

        • Portable
        • Sound

        Cons

        • None

        Best Uses

        • Practice Amp
        • Small Venues

        Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

        I bought this amp to use with a classical guitar that also had synth access and absolutely love the clear sound. After trying it with this guitar I decided to try my avoustic electric and semi-hollw jazz guitar and it handled all with equal clarity and great tone. I am using this primarily as a practice amp but could see it as a good amp for small venues.

        Comment on this reviewHelp Icon

        (1 of 2 customers found this review helpful)

         
        3.0

        Almost great

        By Keys

        from Florida

        About Me Experienced

        Ask me a question

        Pros

        • Easy to Use
        • Portable

        Cons

          Best Uses

          • Chamber Music
          • Learning
          • Practice

          Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

          A great amp in every way except that it is not big on volume. It does get loud enough for home practice or maybe miking a guitar in a coffee house or for amplifying speech like in a school function. But for a band practicing or performing it won't be good. I wish I had gotten the next model or two up from this one. But for little jobs its ok.

          Comment on this reviewHelp Icon

          (10 of 10 customers found this review helpful)

           
          5.0

          It works just fine for guitar, and everything else...

          By Charlie Charlie

          from Portland, OR

          Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

          It's good
          Before buying this amp I had read a review on here stating that you shouldn't play an acoustic guitar through a keyboard amp because it will be too quiet. I would like to set the record straight: it works great for my acoustic guitar!

          I ran a mic and my guitar at the same time. I was very pleased. My understanding is that each channel is 30 watts, so no, it's not going to sound like 90 watts when you're plugged in to one channel. but it's still a very good volume. Keyboard amps can handle a lot of different instruments, INCLUDING acoustic guitar.
          I bought mine used, so I don't know if it's an issue of quality or abuse. Either way, the effects don't work right. There's a lot of crackling and popping constantly when they are on. So I turn the effects all the way down. Everything else works great, and it was only $125 used, so I really can't complain.
          It works great. It's relatively light (40 lbs). 3 inputs. Does everything I need it to...

          Comment on this reviewHelp Icon

          (5 of 5 customers found this review helpful)

           
          5.0

          Ultratone K900FX Keyboard Amp/PA System

          Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

          First let me thank you for very faaaast shipping, ordered Friday nite received Mon.morning.
          I was totally amazed this amp kicks.I never would have expected the vocal to be so clean & crisp.
          eq & effects oh yes. I have owned some top name top price keyboard amps. The vocals were well lets say I would have never bought another one for vocals. I bought this for keyboard only, I play a S90XS Yamaha, its great through this amp. I bought it for practice amp, What a suprise You could do small gigs with this and be proud. 30 yrs. Experience.

          Comment on this reviewHelp Icon

          (4 of 4 customers found this review helpful)

           
          5.0

          Violin Amp

          By Douglas McEntee

          from San Clemente, CA

          Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

          Bought for my daughter to use onstage when she performs alone and with her band. The amp really fills out her sound. She played the Yost Theater a few nights back and it was the best her violin has ever sounded. The reverb and delay were what we were after and it works perfect. Having three inputs is a nice feature, plus the output to the main board, So far we love this amp!

          Comment on this reviewHelp Icon

          (12 of 12 customers found this review helpful)

           
          4.0

          Great KEYBOARD Amp!

          By Denny H.

          from Louisville KY

          Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

          I have owned one of the K900FX amps for several years now and have had no problems with it so far. People tend to buy these amps to use a portable PAs because of the XlR Connection. These are Keyboard amps and do not have the same preamp structure of an guitar amp.Unless you have some kind of preamp for the guitar, it will not be loud enough. Also,I have used this with my band and it seems to have a good amount of volume to it. I would think that this would be loud enough for most small to medium venues. A trick I use is to elevate the amp to close to ear level so you can hear yourself and use the output to run to your PA. This amp has 3 inputs one of which has the XLR connection. 5 band EQ and a Decent FX section. It has a sub out for connecting a bass amp to extend your bottom as well as other features that many other keyboard amps do not. overall, it's like I've heard from a lot of users of behringer products," If it doesn't blow up right out of the box, you may have a good one." I've have both experiences with Behringer. I believe their quality control is not as good as say fender, peavey or others. They want to replace a bad unit rather than repairing. But all in all, I've been very satisfied. Behringer dealers will replace their products for a period of one year. Being that is the case, You may want to add the extra warranty to the purchase price. These amps really do sound good and they are worth the risks one takes when purchasing. A REMINDER to those who trash this amp because it's not loud enough when a guitar is played through it, It wasn't meant for guitar, it was meant for Keyboards. You want guitar, go buy yourself an acoustic guitar amp. They have the XLR input and the preamp section is built for guitar.

          Comment on this reviewHelp Icon

          Displaying reviews 1-10

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