Behringer Ultratone K900FX Product Datasheet

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Ultra-Flexible 90-Watt 3-Channel PA System / 
Keyboard Amplifi er with FX and 
FBQ Feedback Detection
Keyboard Amplifi ers
ULTRATONE
K900FX
Product Information Document
 
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Ultra-fl exible 90-Watt 3-channel 
PA System / Keyboard Amplifi er
 
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Powerful 12" BUGERA woofer and 
custom-made 1" driver for ultimate 
sound reproduction
 
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Integrated digital FX processor with 
100 awesome presets including 
reverb, chorus, fl anger, delay, pitch 
shifter and various multi-eff ects
 
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Revolutionary FBQ Feedback 
Detection System instantly reveals 
critical frequencies
 
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Full 3-channel operation with 
separate Volume and FX Send 
per channel
 
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Additional XLR mic input on 
Channel 1 for direct connection of 
dynamic microphones
 
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Dedicated 5-band graphic EQ for 
awesome sound shaping
 
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Line output for direct connection to 
your mixing console
 
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Main section with FX Return level 
and Master Volume
 
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Subwoofer output for ultimate 
low-end power
 
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CD input allows you to play along to 
your favorite music
 
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Separate headphone output—
perfect for quiet practicing
 
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Integrated 35-mm pole socket 
for stand mounting and use as 
PA System
 
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High-quality components and 
exceptionally rugged construction 
ensure long life
 
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3-Year Warranty Program*
 
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Conceived and designed by 
BEHRINGER Germany
*Warranty details can be found at music-group.com.
The 90-Watt ULTRATONE K900FX 
excels as an extraordinarily-versatile 
keyboard and drum amplifi 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, 
or to your favorite recording device.