| Behringer EP4000
4,000 Watt Stereo Power Amp with ATR Technology
The EP2000 and EP4000 represent everything musicians love about the popular EP1500/EP2500— excellent sound quality, road-worthy toughness and reliability, low-noise operation and incredible power. With 2,000 and 4,000-Watts respectively, the EP2000 and EP4000 amplifiers are perfect for medium-sized club gigs, mobile PA systems, church services or public spaces.
Everything you need, nothing you don’t
The über-simple front panel controls of these amps give you all of your sound’s vital signs at a glance. After flipping the MAIN switch, the POWER LED will light when the amp is ready for action. Both channels have independent gain dials as well as clip LEDs that indicate 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
A panel of switches found on the back panel offers an array of cool options to apply to both channels of the EP2000 and EP4000. The Clip Limiter lets you get even more out of the amplifier without overdriving either it or your speaker system. Built-in circuitry automatically senses when the EP2000 or EP4000 is being overdriven into “clipping” and then momentarily reduces the input level to avoid clipping distortion. This all happens in a few thousandths of a second, so it’s an inaudible way of avoiding audible clipping distortion. Of course, you can turn the Limiter off if you’re feeling lucky.
Ultra-low frequency sounds (infrasonics) are caused by rickety stage vibrations, mic thumps and wind noise. While technically inaudible, they can cause a huge drain on amp power, potential damage to your speakers and a sludgy sound in the audible bass ranges. Both EP models feature a defeatable Low Cut Filter that chops off unwanted frequencies below 50Hz or 30Hz (depending on your PA system’s capabilities).
The same panel contains the switches that allow you to put these amps to work in either stereo or bridge (mono) mode. Both the EP2000 and EP4000 can be linked to additional power amps by switching into parallel mode.
These amps have guts
There’s plenty of awesome features on the outside of the EP2000 and EP4000, but there’s also a team of cool components on the inside helping it work its magic. They come loaded with famously reliable Toshiba/Fairchild power transistors as well as a high-current toroidal transformer for ultra-high transient response and further reliability. Independent DC and thermal overload protection on each channel automatically protects the amplifier and speakers from any show-stopping meltdowns. There’s no need for fuses, giving you one fewer potential mid-gig headache.
The EP2000 and EP4000 have both XLR and 1/4" TRS inputs. Even the outputs are totally flexible, consisting of Speakon-compatible outputs and five-way binding posts. Whether you’re dealing with bare wire or boutique audiophile cabling, the EP2000 and EP4000 are right at home.
The exhaust fan, visible on the back panel, is the final stage of an internal front-to-back cooling system that keeps these amps working in the mild temperatures they love, even through periods of extended use. Finally, an impact-resistant, all-steel 2U rackmount chassis helps these workhorses stand up to all the rigors of the road.
Accelerated Transient Response delivers the knock-out 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 the circuitry, Behringer's amps are able to 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.
The legend powers on
If you read the reviews of the EP2000 and EP4000’s older brothers, the EP1500 and EP2500, and it’s clear that those amps are renowned not only for their performance and durability, but also their astoundingly low price tags. The EP2000 and EP4000 extend that legacy to the next level. Why shell out for a “Brand-X” amp when you can get a BEHRINGER EUROPOWER amp and have money left over for other gear?
Features
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2 x 2,000 Watts into 2 Ohms; 2 x 1,400 Watts into 4 Ohms; 4,000 Watts into 4 Ohms (bridge mode)
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Precise Power, Signal and Clip LEDs to monitor performance
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XLR and 1/4" TRS input connectors for compatibility with any source
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Professional speaker connectors and "touch-proof" binding posts support most speaker wiring systems
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Selectable low-frequency filters (30 Hz or 50 Hz) remove distracting infra-sound frequencies
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Independent limiters per channel offer reliable protection against overload and distortion
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High-current toroidal transformer for ultra-high transient response and absolute reliability
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Ultra-reliable Toshiba/Fairchild power transistors
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Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers without shutting down the show
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"Back-to-front" ventilation system including air filter for reliable operation
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"Built-like-a-tank," impact-resistant, all-steel 2U rackmount chassis
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High-quality components and exceptionally rugged construction ensure long life
Specifications
Output Power
20Hz–20kHz @ 0.1% THD, both channels driven:
8Ω per channel-550W
4Ω per channel-950W
2Ω per channel-1250W
RMS @ 1% THD (sine wave), bridged mode:
8Ω-1750W
4Ω-2400W
Peak Power, both channels driven:
8Ω per channel-750W
4Ω per channel-1400W
2Ω per channel-2000W
Peak Power, bridged mode:
8Ω-2800W
4Ω-4000W
Distortion: <0.02%
Frequency Response:
At 10dB below rated output Power-20Hz–20kHz,
At -3dB points-5Hz–50kHz
Damping Factor: >300 at 8Ω
Noise: -100dB unweighted, 20Hz–20kHz
Voltage Gain: 40X (32dB)
Input sensitivity: 1.15V (+3.4dBu) VRMS at 8Ω
Input impedance: 10kOhm unbalanced, 20kOhm balanced
Controls:
Front: Power switch,gain control (channels 1 and 2)
Rear: DIP switches (10x)
Indicators:
Power: Green LED
Clip: Red LED, 1 per channel
Signal: Yellow LED, 1 per channel
Inputs: Balanced XLR and 1/4" TRS connectors
Outputs: Touch-proof binding posts and professional speaker connectors
Cooling: Continuously variable-speed fan, back-to-front airflow
Amplifier Protection: Full short-circuit, open circuit, thermal, and HF protection
Load Protection: Turn on/off muting, AC coupling
Output Circuit Type: Class H complementary linear output
Mains Voltage/Breaker:
100-120V, 50/60Hz, 15 amps
220-230V, 50/60Hz, 8 amps
Power Consumption: 2600W
Mains connector: Standard IEC receptacl
Dimensions (H x W x D)
88 x 483 x 402 mm
3.5 x 19 x 15.8 in
Weight 16.6 kg / 36.6 lbs
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