Power Amplifier. Features: Delivers 4 x 1600 watts into 2 Ω and 2 x 3000 watts into 4 Ω. 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. Built-in stereo crossover with low-cut, high-cut and full range mode. Precise 4-segment Signal and Limit LEDs to monitor performance. XLR and 1/4'' TRS combination input connectors for compatibility with any source.