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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...Click To Read More About This Product

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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
  • 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
 
4.2

(based on 22 reviews)

Ratings Distribution

  • 5 Stars

     

    (13)

  • 4 Stars

     

    (4)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

67%

of respondents would recommend this to a friend.

Pros

  • Easy to use (4)
  • Portable (4)

Cons

No Cons

Best Uses

  • Performances (3)
    • Reviewer Profile:
    • Experienced (3)

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 22 customers

Displaying reviews 1-20

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(13 of 13 customers found this review helpful)

 
4.0

Great KEYBOARD Amp!

By Denny H.

from Louisville KY

See all my reviews

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.

(11 of 11 customers found this review helpful)

 
5.0

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

By SirCharlesXXVI

from Portland, OR

See all my reviews

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...

(6 of 6 customers found this review helpful)

 
5.0

Ultratone K900FX Keyboard Amp/PA System

By Roger Samuels

from KY

See all my reviews

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.

(5 of 5 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!

(5 of 5 customers found this review helpful)

 
5.0

Awesome

By LongLiveBlink182

from everywhere, USA

Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

I bought this because I did not have enough money or room for a big PA system. It is really great. I do bass and vocals for a simple 3 piece Punk Band and this gets the job done just fine. It gets pretty loud and the effects are cool. The EQ works great also. It was worth every penny.

(5 of 5 customers found this review helpful)

 
5.0

POKERAGAIN

By POKERAGAIN

from Albuquerque

Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

I use this monitor for my Roland electric drums. Excellent. A low cost unit that will handle my drums even at full volume. 5 stars

(3 of 3 customers found this review helpful)

 
5.0

Good amp for the money

By Medpeds

from Buffalo, NY

Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

I bought this amp for my son and myself to perform at outdoor charity events with keyboard, vocals, and prerecorded backing music. The volume and overall sound was very good (especially for the price). Effects are OK. I feed it with a Behringer Xenyx mixer and so far nothing has given out in almost 1 year of use.

(3 of 4 customers found this review helpful)

 
3.0

A Crap Shoot

By Krgrg

from michigan

Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

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.

(2 of 4 customers found this review helpful)

 
3.0

It's a dog!

By Anonymous

from Undisclosed

Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

I bought this amp for my keyboard with hopes that it would help amplify the keys during our band's practice. No such luck! Very disappointed with this product. Don't buy it unless you have very low volume needs. I sent it back earlier today.

(2 of 2 customers found this review helpful)

 
5.0

great first PA system

By Schtbss8

from PA

See all my reviews

Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

i think this is a great PA system to start out with. i like that it has over 100 effects. one cool thing you can do with the effect is you can add delay to the mic so when you talk it ecos. the only bad thing i would say is line in #1 runs both a wired mic and a wireless mic system. the bad thing about that is the wired mic is always much louder and over powers the wireless mic. and if you put the wired mic into a different input you get to much buzz and frequecy responce so every thing goes into a big loop. other than that great PA system.

(1 of 2 customers found this review helpful)

 
3.0

Almost great

By Keys

from Florida

About Me Experienced

See all my reviews

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.

    (1 of 1 customers found this review helpful)

     
    5.0

    Wow...I am in love

    By Chris-D1jw8

    from Windsor, CA

    See all my reviews

    Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

    I fell in love with this amp the second it came to my door. I knew it would be heavy, and large, but at 90 watts, I expected it. The vocal quality is spectacular paired up with my behringer mic. I am very impressed. I have not once had an occasion when it was necessary to crank it full blast. Jamming with a full band requires just below a quarter of the volume potential. Great amp, period. Roland quality product from Behringer. Great product.

     
    5.0

    Enhanced the sound of my accordion greatly!

    By Johnnyo and his accordion

    from Utica,NY

    About Me Experienced

    See all my reviews

    Verified Buyer

    Pros

    • Easy To Use
    • Excellent Sound
    • Good Warmth
    • Powerful

    Cons

      Best Uses

      • Performances

      Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

      Musicians Friend described the amplifier well in its ad specifically for keyboards, better yet my electronic and acoustic accordion. Built in features help to vary features to give a perfect sound for the experienced musician, not just a factory built in sound. Only drawback is the weight and I use a luggage carrier to transport easier.I love the robust sound produced by this amp for my accordion. Never sounded so good.

      (0 of 1 customers found this review helpful)

       
      4.0

      Works well for keyboard, drums, guitar.

      By steve

      from undisclosed

      See all my reviews

      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.

      (0 of 1 customers found this review helpful)

       
      1.0

      No sounds thin

      By Arthur

      from undisclosed

      About Me Professional Musician

      See all my reviews

      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

       
      4.0

      I would buy this again

      By Pianoman

      from Mena, Ar

      About Me Professional Musician

      See all my reviews

      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.

         
        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.

             
            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.

             
            5.0

            Superb value

            Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

            Bought this amp about a month ago to drive a keyboard. The sound is excellent, it is essentially a Roland knockoff, but the quality of sound is clean, punchy, full and dynamic. The amp noise floor is pretty low, . . . Peavy is lower but this is misleading as this amp uses a high efficiency horn loaded tweeter which produces far more acoustic output. Takes a mic and also has full effects including delay, phaser, flanger.

             
            5.0

            Bravo for Behringer

            By Broda

            from Farmville, VA

            See all my reviews

            Comments about Behringer ULTRATONE K900FX Keyboard Amp/PA System:

            As music director of a community theater, I was looking for something relatively inexpensive that would "serve the purpose". After plugging the keyboard (and the bassist) in, I found we came out of the deal far better! For the first time in the 3 years we have had the new keyboard at the theatre, it sounded fantastic! With limited space for the band at the theatre, I was not only excited that we didn't need multiple amps (just the Behringer), but that the sound quality was really fabulous. I'm saving up to buy one for myself for my guitar/singing gigs, but I guess I should test the mention in another review about how a guitar sounds through it. I hope it is just as good, because this is just what I have been looking for as a solo singer/songwriting/guitar & keyboard playing performer! Just enough inputs...1 portable quality PA.

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