Product Features: * High-performance 3000-Watt powered subwoofer for PA applications * World-famous, British engineered 18" Turbosound speaker * Extremely high sound pressure level and incredibly accurate bass * Precise reproduction of ultra-low frequencies for "bulletproof" punch and impact * State-of-the-art 3000-Watt Class-D amplifier with comprehensive over-excursion, thermal, RMS and clip limit protection * Built-in active stereo crossover provides high-pass filtered outputs for full-range loudspeakers * Tunable and switchable Bass Boost plus Phase switch for ultimate low-frequency performance * Variable High Cut control for perfect sound alignment * Subwoofer Level control to adjust the balance between subwoofer and the full-range speakers * Power, Signal and Clip LEDs for perfect monitoring * Intelligent limiter for maximum sound performance and woofer protection * Internal switch-mode power supply for noise-free audio, superior transient response and very low power consumption * Pole socket for mounting with commercial spacer poles * Ergonomically shaped handles for easy transport * Rugged steel grill for optimal speaker protection. EUROLIVE B1800XP Our Eurolive B1800XP 3,000-Watt active subwoofer provides the ultimate in low-frequency reproduction, and the built-in stereo crossover makes it ideally suited for use with any of our active 2-way loudspeakers. Packed with a powerful 3,000-Watt Class-D amplifier, a TURBOSOUND 18" long-excursion Low-Frequency (LF) transducer and an incredible array of professional features, the B1800XP produces extreme levels of low-end punch, with the definition and clarity typically reserved for much larger systems.