Behringer K450FX Ultratone Keyboard Amplifier (45 Watts, 1x10")
The Behringer K450FX 10" Ultratone is an ultra-flexible 45-watt 3-channel PA system / keyboard amplifier with FX and FBQ feedback detection.
Overall User Ratings (based on 23 ratings)
Submitted February 26, 2007 by a customer from cox.net
"I can't belive it's so cheap!"
Verified Customer
zZounds has verified that this reviewer made a purchase from us.
I bought this amp to do small gigs, rehursals, jams, etc. The key word is small. It is small and light with a big sound. The volume wont blow you over (45 watts) but that is not what this amp is about.
The FX are a bonus that I would never expect at this price. Remember when a FX processor like this was $400?
Sound
sounds big for a small amp. as long as you do't get to loud.
Features
What other features would you need? The amp has them all. At this price to have a 5 band EQ and a digital FX is awesome.
Ease of Use
What do you need to figure out? It's a strait forward amp.
Quality
It gets an 7 here, not because of the case, which is beefy, but the knobs. The knobs have long plastic shafts and are asking to be broken. They should have made them shorter.
Value
For the price it can't be beat.
Manufacturer Support
Dont know.
The Wow Factor
I own it.
Musical Background:
professional muscian
Musical Style:
all
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Submitted October 4, 2006 by a customer from verizon.net
"Plug in plenty of anything and have a good time."
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Good, flexible, transportable sound at a good price. Another vendor would have to add features and drop prices to get me to consider them.
Sound
Clear and uncolored running an iPod an a bass through it. Plenty of volume available.
Features
Three channels (0ne XLR capable) plus a "CD" input, a sub-woofer output as well as a line out, EQ with feedback detection and so much more for $140. This thing is loaded for the money and seems to do everything well.
Ease of Use
Excellent for so much stuff being stuffed in one small box.
Quality
It looks good and is nicely finished. I haven't had it long enough to rate durability, but other Behringer amps I've seen were plenty tough.
Value
It is $100 less than units from other manufacturers that do less and sound no better.
Manufacturer Support
No experience with problmes, but the info avialable on their website is pretty good.
The Wow Factor
It's an amp in basic black, but the feature set for the price is outstanding. Flexibility of what you can plug into it is a plus as well.
Musical Background:
Long term hobbyist and church musician
Musical Style:
Variety of contemporary styles.
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Submitted December 29, 2010 by a customer from CHARTER.NET
"AMPLIFIER THATS LOW IN PRICE BUT HIGH IN FEATURE."
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I'LL KEEP IT AND USE IT TILL ITS WORKING PROPERLY, I'LL DEFINITELY BUY THE SAME PRODUCT JUST INCASE I NEED TO BUY ONE, THE PRICE AND FEATURE WILL DEFINITELY MOTIVATE YOU TO PURCHASE THIS PRODUCT, ITS DEFINITELY WILL HELPED YOU TO MEET YOUR MUSIC NEEDS.
Sound
THE SOUND OF THIS AMPLIFIER IS AWESOME, IT HAS A GOOD SOUND QUALITY ESPECIALLY IF YOU CONNECT IT TO A PREMIUM ORGAN OR KEYBOARD, IT HAS DEFINITELY HELPED ME TO FIND THE SOUND THAT IM LOOKING FOR, IM USING IT TO CONNECT TO HAMMOND XK3C AND IT SOUNDS LIKE A LESLIE SPEAKER!!! I LIKE THE EQUALIZER EFFECTS AS YOU CAN CUSTOMIZE THE SOUND OUTPUT THAT YOU THINK ITS BEST. FOR THE LOW PRICE, THIS PRODUCT IS AWESOME.
Features
IT INCLUDES POWER AC CORD, THE MOST USEFUL FEATURES ARE THE EQUALIZER SETTINGS AND THE REVERB. ITS VERY USEFUL IF YOU HAVE A KEYBOARD THAT DOESNT HAVE EFFECTS.
Ease of Use
THIS PRODUCT IS SO EASY TO USE, THE HOOK UP IS SO EASY TO SET UP. AND YOU CAN MODIFY YOUR SOUND JUST BY ADJUSTING THE SLIDER FOR EQUALIZER AND REVERB.
Quality
THE PRODUCT HAS A VERY GOOD DESIGN AND BODY, IT HAS COVERED WITH CARPET STYLE MATERIAL AND THE HANDLE IS SO DURABLE, YOU CAN EASILY PUT IT IN YOUR CAR FOR SPECIAL OCCASSIONS OR TO PERFORM IN VARIOUS PLACES.
Value
THE PRICE IS SO LOW COMPARE TO OTHER KEYBOARD AMPLIFIER, BUT THE FEATURE IS SO GREAT YOU WOULNT BELIEVE YOU CAN GET IT IN A LOWER PRICE.
Manufacturer Support
I HAVENT TRIED CUSTOMER SERVICE SUPPORT SO FAR
The Wow Factor
ITS DEFINITELY ONE OF THE BEST MUSIC PRODUCT, MUSICIANS WILL LOVE IT, THE LOOK IS SO PROFESSIONAL, ITS A NICE ADDITION TO YOUR MUSIC INVENTORY.
Musical Background:
ORGANIST
Musical Style:
GOSPEL
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Submitted September 26, 2009 by a customer from comcast.net
"expensive tube sound without the price makes a good guitar amp also"
Sound
I pluged my guitar into this amp just for kicks and was surprised seeing i bought it for my drum kit it sounded better than my line 6 guitar amp it has that beutiful tube sound its fun just playing it straight even without effects but of coarse the effects are great too amazing for what i paid
Features
very easy lots of features
Ease of Use
easy to use
Quality
built like a tank
Value
for the money its a steal
Manufacturer Support
havent used them
Musical Background:
musician
Musical Style:
rock, blues
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Submitted January 29, 2007 by a customer from hotmail.com
"best keyboard amp for the price"
this is a great keyboard amp
Sound
this has great sound it hits the highs and lows vary well. its just at high vol. the lows are a little distorted
Features
it came with a power cord... that is about it. it has 100 diffrent FXs, a nice eq
Ease of Use
the controls are easy. altho u can't use the FXs on the rca input
Quality
vary durable. when i am puting my equipment in my car i am more woried that my amp will dent my car than my amp breaking
Value
this is the loudest amp for the price
Manufacturer Support
this is my first amp... for anything i did get a reanable 2 year warrenty for $20
The Wow Factor
its big it has a black carpet out side layer... and its awesome to stand on
Musical Background:
musician in a band
Musical Style:
metal, rock
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Submitted August 25, 2018 by James Lafferty in knoxville, TN
"kfx450 keyboard amplifier"
Verified Customer
zZounds has verified that this reviewer made a purchase from us.
I own this amp!used it all the time,I run itin stereo with another amp.I really love this amp,will purchase another one soon ,real quality, looks and sounds great!no issues at all with thisproduct. behringer got a bad rep earlier,but they got it right! buy this you wont be sorry,IF YOU GET FROM ZZOUNDS.THEY ALSO GET IT RIGHT1
Musical Background:
semi professional musician
Musical Style:
classic rock,blues ,show tunes
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Submitted July 15, 2006 by a customer from yahoo.com
"small but toughh!!!"
great for small priced amps!!!
Sound
great sound 4 a small power amp.great for gigs!!!
Features
no problem!!
Ease of Use
easy 2 use. every channel is neatly labeled.
Quality
from behringer!only the best!!!
Value
very!!!! you know what i mean.
Manufacturer Support
no problem with the support.
The Wow Factor
yupp!!!
Musical Background:
musician
Musical Style:
variety
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Submitted September 20, 2021 by Joan M in Paterson, NJ
"Waste of my money"
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Bought this during the pandemic to practice learning to play the piano. I must have used it 5 times and then it stopped working. When I plugged it in, it gave a humming sound and no live sound came through. I called and was told no returns because of the pandemic.By the time I got around to getting it fixed , it was out of warranty, because repair shops were closed.Such a waste of money that I could have spend elsewhere…. Truly disappointed.
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Submitted July 25, 2008
"good on price & looks not 100% sound."
great for a practice amp and a quiet jam at home but lacks the clarity for a loud jam,drums etc.
Sound
sounds great when volume is low, below 1/2 way, any higher a lot of distortion loosing sound clarity
Features
has some ok effects but so dose the keyboard i use so i don't use them much and came with a power cord
Ease of Use
very easy
Quality
looks good,solid amp lacks loud sound quality
Manufacturer Support
Only delt with music shop where i purchased it they were a bit slow to respond now out of waranty. They told me to try and blow it up so Beringer would replace it, could not blow it up.
The Wow Factor
looks good, average on sound clarity when loud
Musical Background:
30 years on and off
Musical Style:
hard rock-rock blues
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Submitted July 22, 2006 by a customer from netscape.com
Behringer K450FX Amp Customer Review
Sound
i am pleasently surprised at the features as well as the different sounds this unit produces with an acoustic gibson guitar with a dearmond pickup. amazing
Musical Background:
50 years
Musical Style:
all
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