BEHRINGER B1800D-PRO

Powerful 18'' long-excursion transducer with high temperature voice coil provides incredibly accurate and pulse-pounding bass
Extremely high sound pressure level (127 dB half space 1 W @ 1 m)
Precise reproduction of ultra-low frequencies (35 – 150 Hz) for "bulletproof" punch and impact
State-of-the-art 1400-Watt Class-D amplifier with comprehensive over-excursion, thermal 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