BEHRINGER B1800X pro

Extremely powerful 18" long-excursion driver provides incredibly deep bass and acoustic power
Extremely high sound pressure level (100 dB half space 1 W @ 1 m)
40 Hz - 300 Hz frequency range (-10 dB), impedance 8 Ohms
Precise reproduction of ultra-low frequencies with a clear, powerful punch
Switchable crossover for optional passive or bi-amping operation mode
Pole socket for mounting with commercial spacer poles
Ergonomically shaped handles for easy transport
Rugged steel grill for optimal speaker protection
Professional speaker connectors, compatible with Neutrik® Speakon® *