NT-4.5 Dual Channel Class AB High Power Amplifier 4500W DJ & PA System

NT-4.5 is a professional dual channel Class AB direct-coupled amplifier designed for high-power DJ and PA system use. It delivers 2250W + 2250W RMS at 2Ω, 1650W + 1650W at 4Ω, and 1250W + 1250W at 8Ω with 20Hz–20,000Hz frequency response, 0.5% THD, and 600:1 damping factor for clean and powerful sound. It features inbuilt dual crossover, input sensitivity 775mV/1.23V, input impedance 10kΩ unbalanced & 20kΩ balanced, and full protection system (temperature, short circuit, overload). Built with 3U rack mount design, 4000VA power consumption, 2 XLR + 6.3mm inputs, Speakon + binding post outputs, and dual AC fan cooling, it ensures stable performance for stage shows, weddings, clubs, and live events.