iNUKE NU4-6000 Ultra-Lightweight, High-Density, 6000-Watt 4-Channel Power Amplifier Delivers 4 x 1600 Watts into 2 Ohms, 2 x 3000 Watts into 4 Ohms and weighs less than 12 lbs / 5.5 kg Ultimate reliability through revolutionary cool-running High-Density Class-D technology with "near-zero" thermal buildup Ultra-efficient switch-mode power supply for noise-free audio, superior transient response and low power consumption "Zero-Attack" limiters offer maximum output level with reliable overload protection Built-in stereo crossover with low-cut, high-cut and full range mode Detented and illuminated gain controls for precise level setting Precise 4-segment Signal and Limit LEDs to monitor performance XLR and 1/4'' TRS combination input connectors for compatibility with any source Professional twist-lock speaker connectors for ultimate reliability Independent DC, LF and thermal overload protection on each channel automatically protects amplifier and speakers without shutting down the show “Back-to-front” ventilation system prevents thermal buildup for reliable operation 3-Year Warranty Program* Designed and engineered in Germany