Product Information Document
Keyboard Ampli ers
ULTRATONE
K900FX
Ultra-Flexible 90-Watt 3-Channel PA System /
Keyboard Ampli er with FX and
FBQ Feedback Detection
Ultra- exible 90-Watt 3-channel
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PASystem / Keyboard Ampli er
Powerful 12" BUGERA woofer and
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custom-made 1" driver for ultimate
sound reproduction
Integrated digital FX processor with
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100 awesome presets including
reverb, chorus, anger, delay, pitch
shifter and various multi-e ects
Revolutionary FBQ Feedback
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Detection System instantly reveals
critical frequencies
Full 3-channel operation with
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separate Volume and FX Send
perchannel
Additional XLR mic input on
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Channel 1 for direct connection of
dynamicmicrophones
Dedicated 5-band graphic EQ for
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awesome sound shaping
Line output for direct connection to
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your mixing console
Main section with FX Return level
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and Master Volume
Subwoofer output for ultimate
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low-end power
CD input allows you to play along to
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your favorite music
Separate headphone output—
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perfect for quiet practicing
Integrated 35-mm pole socket
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for stand mounting and use as
PASystem
High-quality components and
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exceptionally rugged construction
ensure long life
3-Year Warranty Program*
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Conceived and designed by
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BEHRINGER Germany
The 90-Watt ULTRATONE K900FX
excels as an extraordinarily-versatile
keyboard and drum ampli er, as well
as a high-quality 3-channel Public
Address (PA) system, with a world-
class, 12" BUGERA Speaker – all in
one compact and easy-to-transport
package. Specializing in rich, accurate
tone and professional features,
such as a studio-grade Multi-FX
Processor and our own FBQ Feedback
Detection System, this powerful workhorse will bring out the best in your
performance gig after gig.
Channel Your Sound
The K900FX gives you 3 independent stereo
channels, each with separate Volume and
FX Send controls, plus an additional XLR mic
input on Channel 1 for the direct connection
of a dynamic microphone. So, if you’re the
kind of keyboardist or drummer with multiple
instruments at your disposal, the K900FX is
ready to handle up to 3 independent signals. It
is also ideal for use as an all-in-one solution for
keys and vocal applications.
The Master Section provides separate
controls for FX Return, Master Volume and
Phones. A stereo Aux Input allows you to play
recorded music through the K900FX during
performance breaks, or just for playing along. A separate headphone output is perfect
for quiet practicing. The K900FX also features an integrated 35 mm pole socket for stand
mounting and a Line Output for connecting to the house mixing board,
orto your favorite recording device.
*Warrant y details can be fo und at music-group.c om.
Product Information Document
Keyboard Ampli ers
ULTRATONE
K900FX
Ultra-Flexible 90-Watt 3-Channel PA System /
Keyboard Ampli er with FX and
FBQ Feedback Detection
Big, Beautiful BUGERA
A powerful 12" BUGERA woofer, made by skilled artisans, works in connection with a custom-made
1.0" high frequency driver for awesome, full-range sound. Long appreciated by the most demanding
guitarists and bassists in the world, keyboard players and PA specialists are now getting in on the
BUGERA action!
Your Personal E ects
The onboard 24-bit digital FX processor, with 100 amazing presets, adds a high-tech dash of reverb,
chorus, ange, delay, pitch shift and other e ects to your sound. The Main Section gives you
separate controls for FX Return, Master Volume, Phones and Shape, while a CD Input allows you to
play recorded music through the K900FX during performance breaks, or just for playing along.
FBQ - Totally Feedback-Free
For more than 20 years, BEHRINGER has designed and manufactured some of the most successful
FBQ Feedback Elimination processors. Now you can own and enjoy the bene ts of this technology,
as we have integrated the revolutionary FBQ Feedback Detection System in this product, so your
sound system is completely feedback-free, allowing you to focus on your performance. Utilizingan
ultra-fast feedback detection system, this ingenious circuitry helps you recognize and tame feedback
frequencies immediately. When feedback is sensed in a speci c frequency range, the LED on the
associated EQ fader illuminates, showing you at a glance which fader to lower to overcome the
feedback. That simple!
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