The remarkable 4-channel EPQ304 packs a heart-stopping 300 Watts of output power into an exceptionally lightweight (8.8 lbs/4.0 kg) package, thanks to our Accelerated Transient Response (ATR) technology. Ample power (4 x 75 Watts @ 4 Ohms; 4 x 50 Watts @ 8 Ohms) and high-tech efficiency combine, giving you a feather-light, supercharged workhorse that will keep your rig kicking for years and years to come. • 4 x 75 Watts into 4 Ohms; 4 x 50 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 (8.8 lbs / 4.0 kg) fits into compact, inexpensive effects racks • Designed and engineered in Germany