Behringer EPX2800, EPX4000 User Manual

PA Ampli ers

EUROPOWER
EPX4000/EPX2800

EUROPOWER EPX4000: Professional
4,000-Watt Lightweight Stereo Power
Ampli er with ATR (Accelerated
Transient Response) Technology

2 x 2000 Watts into 2 Ohms;
2 x 1200 Watts into 4 Ohms;
4000 Watts into 4 Ohms
(bridge mode)

EUROPOWER EPX2800: Professional
2,800-Watt Lightweight Stereo Power
Ampli er with ATR (Accelerated
Transient Response) Technology

2 x 1400 Watts into 2 Ohms;
2 x 800 Watts into 4 Ohms;
2800 Watts into 4 Ohms
(bridge mode)

Common Features

ATR (Accelerated Transient Response)
technology for ultimate punch
and clarity

Ultra-light, ultra-low noise and
ultra-e cient switch-mode power
supply for noise-free audio, superior
transient response and
low power consumption

Switchable limiters o er maximum
output level with reliable
overload protection

Ultra-light, Built on a Legacy

Power amps have always been
heavy, mainly because of their
massive transformers and heat sinks.
Our new EPX Series amps are based on
groundbreaking switch-mode power
supply technology, which eliminates
the heavy transformer. As a result,
these amps weigh about 40% less
than their conventional counterparts.
In fact, the EPX2800 and EPX4000 are
just 22.3 lbs (10.1 kg) each, so you
can practically lift them with just one
 nger. Best of all, EPX Series amps are
super-reliable and provide even tighter
bass performance than their predecessors,
since they can deliver ultra-high peak
currents on demand.

In a Class of Their Own

The secret to the EPX Series’ incredible
power-to-weight ratio is the use of a
switch-mode power supply combined
with Class-H topology. Because they

work on demand, instead of operating
continuously at full power, switch-mode
power supplies are much more e cient
than traditional power supplies.
And since they don’t require the massive
transformers and heat sinks typically
found in conventional power amps,
they are signi cantly smaller and lighter,
yet still deliver ample power.

Think of a Class-H amp as being similar
to a car with two engines (in amps, we call
them “rails”). One engine runs all the time.
The other runs only when musical peaks
demand the extra power output. An EPX
Class-H amp only generates a fraction
more power than is immediately needed,
while the output stage operates at its
maximum e ciency all the time. And just
like in today’s hybrid cars, the e ciency
of this dual system is far greater than
having just one engine or rail that has to
operate continuously.

Continued on next page

Detented gain controls for precise
setting and matching of sensitivity

Precise Power, Signal and Limit LEDs
to monitor performance

XLR, ¼ '' TRS and RCA input
connectors for compatibility
with any source

Professional speaker connectors and
''touch-proof'' binding posts support
most speaker wiring systems

Page 2 of 5

EUROPOWER
EPX4000/EPX2800

Built-in Subwoofer/Satellite
crossover for more  exibility

Independent DC and thermal
overload protection on each channel
automatically protects ampli er
and speakers without shutting
down the show

“Back-to-front” ventilation

system including air  lter for
reliable operation

“Built-like-a-tank“, impact-resistant,

all-steel 2U rackmount chassis

High-quality components and
exceptionally rugged construction
ensure long life

Conceived and designed by
BEHRINGER Germany

Accelerated Transient Response
Delivers the Knockout Punch

It takes huge pulses of energy
(current and voltage) to propel a woofer
cone out fast enough to match a bass
beat. That’s called Transient Response
and it’s the holy grail of amp designers.
By carefully selecting transistors with
extremely high slew rates and optimizing
other proprietary parts of our circuitry,
EPX amps can react instantly to even the
most demanding electronic bass impulses.
If the woofers in your PA system can keep
up, your audience will hear a tighter,
crisper, more natural sound.

BEHRINGER didn’t invent Class-H
technology, but our R&D Department
has been working for years to perfect our
own version, creating lightweight amps
that run cool and achieve our goal of
Accelerated Transient Response.

Everything You Need

The simple front panel controls of
these amps give you all of your sound’s
vital signs at a glance. After pressing

the Power Button, the POWER LED will
light when the amp is ready for action.
Both channels have independent gain
dials, as well as CLIP LEDs that notify you
when the signal is distorted and you need
to reduce the gain. There are also SIGNAL
LEDs that light up when a signal is present
at the input.

Panel Discussion

The EPX Series’ INPUTs accept
balanced XLR, ¼ " TRS, and unbalanced
¼ " TS and RCA connections. Take your pick
of professional locking speaker outputs
or touch-proof binding posts to securely
connect speakers.

A panel of switches located on the back
o ers an array of cool options applicable
to both channels. The switchable Clip
Limiter lets you get even more out of the
ampli er without overdriving either it
or your speaker system. Built-in circuitry
automatically senses when the amp is
being overdriven into “clipping” and
instantaneously reduces the input level
just enough to avoid clipping distortion.

Continued on next page

EPX4000/EPX2800

IEC
power
socket

Detented
channel
GAIN controls

Professional
locking speaker
connections

Cooling
fans

Signal
level LED
meter with
clipping LED

0

-10

-20

“Touch-proof”
binding
posts speaker
outputs

INPUT accepts
balanced XLR,
¼ " TRS, and
unbalanced
¼ " TS and
RCA connections

Ventilation
openings

Power
Switch

Built-in CROSSOVER
switch — dedicated
100 Hz CH1/CH2 or
FULLRANGE

LIMITER
on/o
switch

MODE switch
— mono/
stereo/bridge