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a mixer. Add a noisy computer sound output, 
a couple of microphones, a guitar with six 
stompboxes chained to it and your aunt’s 
antique cassette player and you going to hear…
HISSSSSSSSsssssssssss.

Once again, the remarkable digital processing 

inside the B412DSP comes to the rescue. 
Turn up its Noise Gate and hear background 
hiss disappear! The internal computer is 
analyzing the sound and selectively cutting out 
the hiss without compromising the music!

Instant PA system

With just a single B412DSP loudspeaker 

system and one or two dynamic microphones, 
you can set up an instant sound system. 
Connect microphones directly to the 
B412DSP via the built-in mixer section. Put the 

Connecting additional B412DSPs

B412DSP on a table-top or speaker stand, 
and power up. It’s just that easy. And if 
you need more coverage, you can chain 
together as many as you like via the 
convenient Line Out XLR connector.

Now when you need a small PA, 

you can plug a microphone into the 
B412DSP right out-of-the-box and start 
the show. The rear panel of this speaker 
features inputs and level controls for two 
microphones or line-level sources such as 
MP3 players, audio from a DVD deck or a 
laptop computer.

There are also bass and treble master 

tone controls and an adjustable Low 
Cut filter to help eliminate annoying 
breath pops and mic handling noise. 
An additional filter, which we call Contour, 
allows you to select Speech (for enhanced 
voice intelligibility), or Music for the 
broader frequency range required for 
high-fidelity reproduction of music.

Put this all together and you have a 

mixer. Only you get it free built into the 
back of the B412DSP.

Custom-designed transducers

Let’s face it; the transducer (speaker) 

is the only part of a sound system you 
actually hear, so we don’t cut any corners. 
While some of our competitors are 
content to settle for third-party, off-the-
shelf, one-size-fits-all speakers, we build 
our own transducers from scratch. 

Not only do we wind our own voice 

coils, we process the paper pulp into cones 
and even machine metal components. We 
assemble them, magnetize them and test 
them multiple times.

This enables us to control the quality, 

and frankly, make better speakers that 
our competition can afford to put into 
comparably-priced “dumb” speakers. 
For example, both the 12

"

 long-excursion 

LF transducer and state-of-the-art 1.75

"

 

titanium driver with Kapton voice coil we 
deploy in every B412DSP was specially 
designed and built just for this particular 
speaker model. There are no compromises 
because we did everything ourselves.

EUROLIVE B412DSP

Rear

Mic/ Line 1

Line Out

 Mic/Line In

Main Out L

Main Out R

XENYX 2442USB

Rear

Mic/ Line 1

Line Out

 Mic/Line In

Continued on next page

EUROLIVE  

B412DSP

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