Product details:

■Model                              LA-218MS   
■Components                         2×18"(100mm voice coil) woofer      
■Frequency response                 32Hz~180Hz(±3dB)    
                                     30Hz~250Hz(-10dB)    
■Sensitivity(1W/1M)                 103dB   
■Maximum SPL                        135dB(continous) 138dB(PEAK)     
■Power handing(AES)                 1600W  
■Impedance(Ohm)                     4 Ohm     
■Dispersion angle(-6dB)             Omnidirectional     
■Size W*D*H(mm)                     10670*780*560     
■N.W.                               80 kg  
■Unit                               Piece  

LA - 218MS is super low frequency woofer, designed to support Line array speaker series. It could expand the minimum working frequency of the supported system to 32Hz.

LA - 218MS is a bass reflection adjustable speaker, consisting of two pieces of 18" directed low-frequency speaker unit. this special designed unit can provide special cone cover characteristics under working condition of very high sound pressure, and still in very low compression.
Compared with previous products, LA-218MS composition is more modernized. It applys with the new air holes design, and also have greatly improved level output(increased 3dB). 

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