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Behringer ULTRATONE K450FX Keyboard Amp/PA System  

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Product #480784

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        Behringer

        Big-amp features, small-amp convenience.

        The super-compact, self-contained Behringer ULTRATONE K450FX is a perfect keyboard amp or PA setup for public address systems, keyboards, voice, or various drum/backing machines. 45W of power are handled confidently by a headroom-rich 10" speaker, making sure that you can faithfully reproduce a broad repertoire of signals. Behringer includes features usually found in much larger amps: 24-bit digital FX with 100 hot presets; FBQ Feedback Detection System; 5-band EQ section; CD input; headphone output; and full 3-channel operation with separate volume controls and FX sends per each channel plus an additional XLR mic input for connecting dynamic microphones.

        Features
        • Powerful 10'' speaker 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 dynamic microphones
        • Dedicated 5-band graphic EQ for awesome sound shaping
        • Line output for direct connection to your mixing console
        • Gain 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 35-mm 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

        It's got all the features you'd want for the big gigs in a practice-size unit. And the price is definitely right! Order now!

         

        ULTRATONE K450FX Keyboard Amp/PA System Specifications:

        • Inputs:
        • Line In 1 - 4 1/4" TS connector
        • Input impedance approx. 30 kOhm balanced
        • 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 unbalanced
        • XLR connector: approx. 300 Ohm balanced
        • Output impedance approx. 150 Ohm unbalanced
        • Sub Out 1/4" TS connector
        • Output impedance approx. 150 Ohm unbalanced
        • EQ:
        • Type 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 10'' Bugera speaker
        • Input impedance 4 _
        • Power:
        • General export model 120/230 V~, 50 - 60 Hz
        • Power consumption approx. 75 Watts
        • 100 - 120 V~:
        • 2.5 A H 250 V
        • 220 - 240 V~:
        • 1.25 A H 250 V
        • Mains connection Standard IEC receptacle
        • Dimensions:
        • 16 1/2" x 17 3/8" x 11 3/4"
        • Weight: 32.19 lbs
        Customer Reviews
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        Review Snapshot®

        by PowerReviews
        BehringerULTRATONE K450FX Keyboard Amp/PA System
         
        4.6

        (based on 9 reviews)

        Ratings Distribution

        • 5 Stars

           

          (6)

        • 4 Stars

           

          (2)

        • 3 Stars

           

          (1)

        • 2 Stars

           

          (0)

        • 1 Stars

           

          (0)

        Reviewed by 9 customers

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        Displaying reviews 1-9

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        (1 of 1 customers found this review helpful)

         
        5.0

        Great Little Amp!

        By Teleman

        from Bossier City, LA

        About Me Professional Musician

        Verified Buyer

        Pros

        • Effects And Price

        Cons

          Best Uses

            Comments about Behringer ULTRATONE K450FX Keyboard Amp/PA System:

            Highly reccomended for acoustic players. Built in effects are great. Perfect for a small restaurant venue.

            Comment on this review

            (5 of 5 customers found this review helpful)

             
            5.0

            Awesome deal- built like a tank

            By Yanyan

            from AB, canada

            About Me Experienced

            Pros

            • Easy to Use
            • Great Quilty
            • Great sound
            • Really Tough
            • Very Affordable

            Cons

              Best Uses

                Comments about Behringer ULTRATONE K450FX Keyboard Amp/PA System:

                Bought this for almost 6yrs already, basically as. A keyboard amp. This thing experienced snow, slight rain almost all kind of weather here in alberta as i have to walk and carry this thing to our practice venue. And never had a major issue with this thing, and really pleased with it. So i decided to give this thing a good review wich is overdue already. as BEHRINGER definitely deserves it. That's one of the best thing about behringer great quality and very affordable. Just compare the price when you shop around plus the features and other people's review.

                K450fx has 3 channels with dedicated send fx for each + 5band eq, + 100effects + cd in. Etc. great package! I even use it for my electric acoustic guitar. And sounds really good. I was thinking of buying a fishman but it seems that k450fx will do the job.

                The only con i can think is that it seems to be not powerful enough to handle 3chan els when volumes are cranked up

                Overall it is highy recommended

                Comment on this review

                (9 of 12 customers found this review helpful)

                 
                3.0

                better to go with the 1800

                By gtunes

                from Southwest USA

                Comments about Behringer ULTRATONE K450FX Keyboard Amp/PA System:

                I'm comparing the UltratoneK450FX it to the similar 1800 model. I've used both for acoustic guitar and vocals. I was forced to use a lighter amp due to a bad back. The 450 is suprisingly loud. At least as loud as the 1800 although I don't get how this could be with the difference in wattage rating. I'm having to turn the 450 down at the same settings I hade with the 1800.

                The 1800 has a much airier and crisper sound to my ear. The 1800 has a much more musical high-end and present upper-mids despite what you do with the EQ on the 450. It just sounds cheap compared to the 1800 which I've done at least 300 shows with.

                The effects on either unit are very usable considering price. There are 4 imputs on the 1800 compared to 3 on the 450. The 1800 has 7 band EQ instead of 5. There are lots more options for connecting to other gear on the 1800. I hve not found the feedback control to be of use.

                On the positive side, as I said, it is 16 pounds lighter, has suprising volume and has a hole for pole mounting which a feature painfully lacking in the 1800.If you tend to have a thin, trebly kind of vocal this amp may help thicken things up. In general however,if your back and wallet can take it, spend a few more dollars for the UltratoneK1800FX. I absolutely love that unit. I've had 2 of them.

                Comment on this review

                (4 of 4 customers found this review helpful)

                 
                4.0

                Great speaker, not good for piano.

                By elisha john

                from USA HOLMES

                Comments about Behringer ULTRATONE K450FX Keyboard Amp/PA System:

                great speaker, good build, has mic inputs, little PA system for small places. but the down side is that not stereo, no tweeter, but for the price, best value. who knows maybe you can buy two and use as stero speakers at this price!! XD
                i use this product everyday, and i must say i suprise myself every once in a while with all of the features packed in this speaker. the FX it has goes from reverbs to delays to flanger/phaser to chorus to mixed effects. i recently plugged in my guitar, and this amp substituted for my pedel!!
                the material on the ouside of the cabinent is this styrofoam/plastic/soft material that is great and nice to carry with. the eq sliders and all the knobs are top notch professional quality.
                I really dont realize the need of this speaker as a keyboard speaker, maybe as a monitor, or a acoustic guitar amp, but not as a keyboard speaker. the reason being is that its NOT STEREO!! this speaker makes my motifs piano sound like a 200 keyboard. i suggest you get studio moitors for best sound. but other than the piano sound, all the other sounds(synths,drums,organs,even epianos) sound great.

                Comment on this review

                (9 of 9 customers found this review helpful)

                 
                5.0

                As expected

                Comments about Behringer ULTRATONE K450FX Keyboard Amp/PA System:

                I previously had two amps: Peavey KB3 and a Roland KC-60. Sold them both and got this one for practices and small gigs to feed my vocals and my electronic drum kit. I also play an acoustic guitar thru it and could not be any happier with the sound clarity of this little amp. I was a little worried that this amp does not have a tweeter but the high sounds are fairly reproduced. Bass is superb. The 5 band EQ allows me to shape the sound way much better than with my two previous amps. This amp is very loud at 45 watts, even louder than my peavey kb3 (that is supossed to have 60 watts). The construction quality is solid and the effects are ok. It comes with three channels, but you can use the two inputs of channel 1 at the same time so it will give you 4 inputs. Very, very nice amp. I made extensive research to buy my next amp and definitely it is worth the 5 stars people are giving to it.

                Comment on this review

                (5 of 6 customers found this review helpful)

                 
                4.0

                Good Amp but........

                By Larry Rhoads

                from Mt.Vernon, Indiana

                Comments about Behringer ULTRATONE K450FX Keyboard Amp/PA System:

                I have used a 50 pound Peavey for a long time, but since I'm getting a bit older, my back don't like to carry the heavy amp much anymore. I bought this Behringer because it was about 20 pounds lighter, relative low cost and loaded with a lot of "bells and whisles". This amp has plenty of output, and has solved my weight handling problem. For me, it has two draw backs. It takes more effort and time to adjust all of the imputs when setting up (I use three - one for vocal, one for a drum machine and one for my guitar). Even though it has equlizers that will indicate range of frequencies that cause feedback, I still find it seems to respond to feedback that my Peavey doesn't. Not a biggie but the amp has two mic inputs, one standard 1/4 inch phone plug and one XLR input. Since both have greatly different input impedances and only one volume control for both, using both mic inputs at the same time is really not practical. A volume control for each mic input would have been a big improvement. So, when I know I'm going to need two mics for a gig, I revert back to the 50 pound Peavey and pray this old man's back back don't break.

                Comment on this review

                (6 of 6 customers found this review helpful)

                 
                5.0

                Good Little Amp

                Comments about Behringer ULTRATONE K450FX Keyboard Amp/PA System:

                I got tired of lugging my 200W Hartke amp back and forth to practices. So I bought this little Behringer to fill the role. It's a pretty decent little amp. I only use it for practice with my keyboard and it does that job just fine. For gigs I either use the bigger amp or plug into the house system. It's got plenty of inputs and effects. It even sounds decent when I play my bass through it, but starts to break up at the higher volumes. We also use it at practice for vocals too, and it sounds alright. I really like the RCA input jacks too. I always use them to plug in my iPod at practice and show the guys new songs.Overall a great amp for small spaces, especially for this price.

                Comment on this review

                (3 of 4 customers found this review helpful)

                 
                5.0

                Guitar/Mic amp

                By Ken Majors

                from Bloomville, Ohio

                Comments about Behringer ULTRATONE K450FX Keyboard Amp/PA System:

                I use this with an Ovation Acoustic Electric and a Microphone.Playing a small room with 100-150 people.Works great for this application.It is possible to plug in another mic (using 1/4" plug), and another guitar or keyboard.The most I have had was 2 guitars, and a Mic.It handled it with no problems and it sounded pretty good. No feedback issues and it sounded clear and crisp.The effects are a little disappointing, but that isn't why I bought it anyway. It seems to me the effects aren't all that "effective". Good little amp for the money though.

                Comment on this review

                (8 of 8 customers found this review helpful)

                 
                5.0

                Behringer K450fx Keyboard amp

                By Imsnowyone

                from Langhorne, Pa.

                Comments about Behringer ULTRATONE K450FX Keyboard Amp/PA System:

                I am using the amp with a yahama psrgx76 Keyboard.This amp has it all, with 100 different effects and a 5 band equalizer. But, the effects are not nesseseary because the same thing is built into the keyboard. It has great bass response, and good mid-range. The hi-frequency is a bit tinney.This would be a great guitar amp they way it is designed. It works well for vocal and keyboard mixing, and I use it in a small room with about 100 people.

                Comment on this review

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