JBL PRX412M ตู้ลำโพง 12" Two-Way 600W Stage Monitor and Loudspeaker System 
PRX412M is a portable, twelve-inch, two-way speaker system designed for either main sound reinforcement or monitoring applications.
Features :
 
    
        
            
            
                - 90° x 50° coverage for even and smooth response on and off axis
 
             
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                - Dual-angle pole socket for applications requiring tripod mounting
 
             
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                - Heavy Duty 16 gauge protective screen backed steel grille
 
             
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                - Tough DuraFlex™ enclosure finish
 
             
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                - Utilizes twelve M10 suspension points for safe deployment in light duty installations.
 
             
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                - SonicGuard™ protects the highfrequency driver from excess power without interrupting the performance.
 
             
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Applications :
 
    
        
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                - Live performance stage monitoring
 
             
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                - Reinforcement of vocal and acoustic music
 
             
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                - High-performance satellite speaker for use with subwoofers
 
             
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 Specifications :
    
        
            
            
                
                    
                        | Frequency Range (-10 dB) | 
                          :   | 
                        50 Hz – 20 kHz | 
                     
                
             
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                        | Frequency Response (+3 dB) | 
                          :   | 
                        62 Hz – 19 kHz | 
                     
                
             
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                        | Coverage Pattern | 
                          :   | 
                        90° x 50° nominal | 
                     
                
             
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                        | System Sensitivity | 
                          :   | 
                        95 dB SPL (1w@1m) | 
                     
                
             
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                        | Power Rating, Pink Noise | 
                          :   | 
                        300 W / 600 W / 1200 W 
                        (Continuous/Program/Peak) | 
                     
                
             
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                        | Rated Maximum SPL | 
                          :   | 
                        126 dB SPL peak | 
                     
                
             
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                        | Nominal Impedance | 
                          :   | 
                        8 ohms | 
                     
                
             
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                        | Dimensions (H x W x D) | 
                          :   | 
                        574 mm x 353 mm x 399 mm 
                        (22.6 in x 13.9 in x 15.7 in) | 
                     
                
             
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                        | Net Weight | 
                          :   | 
                        16 kg (35 lbs.) | 
                     
                
             
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