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, our 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
Instead of operating relatively continuously like most power amps, the EPQ power amps feature rail tracking for effectively modulating the power supply rails with only the peaks of the input signal. This technology has revolutionized pro audio amp designs with its outstanding performance and efficiency. When combined with switching-mode power supplies that do away with heavy toroid transformers, our new designs provide more dynamic punch and, because they are so much more efficient, run cooler and don't require huge, heavy heat sinks.
BEHRINGER didn't invent this technology, but our R&D Department has been working for years to perfect our own version, creating lightweight amps that run cool and also 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 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.
The back panel of the EPQ900 accepts balanced XLR connections. The EPQ900 has Mono On/Off and Bridge On/Off switches.
BEHRINGER's new EPQ power amps are built for the working musician. They are exceptionally light, they pack massive power and they are built to last through all the rigors of the road. Plus its light price tag will leave you with enough cash left over to acquire more stuff to amplify! Check out the EPQ series and find out why BEHRINGER power amps are among the most popular on Earth.
• 2 x 390 Watts into 4 Ohms; 2 x 245 Watts into 8 Ohms
• ATR (Accelerated Transient Response) technology for ultimate punch and clarity
• Ultra-light, ultra-low noise and ultra-efficient switch-mode power supply for noise-free audio, superior transient response and low power consumption
• Independent limiters for each channel offer maximum output level with reliable overload protection
• Detented gain controls for precise setting and matching of sensitivity
• Precise Power, Signal and Clip LEDs to monitor performance
• Servo-balanced XLR and 1/4" TRS inputs plus professional speaker connectors
• Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers without shutting down the show
• "Back-to-front" ventilation system including air filter for reliable operation
• "Built-like-a-tank", impact-resistant and all-steel 1U rackmount chassis
• Minimum depth chassis (10.1" / 257 mm) and ultra-light weight design (10.8 lbs / 4.9 kg) fits into compact, inexpensive effects racks
• High-quality components and exceptionally rugged construction ensure long life
• Conceived and designed by BEHRINGER Germany
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