V12B specification parameters (12 ") 

System type: Single 12 inch direct beam heavy ultra low frequency shadow K speaker 

Bass unit: 1 × 12 inch aerospace magnetic bass unit 190 magnetic 75mm voice coil 

Wiring method: 2 x NL4 Speakon (+1/-1) 

Rated impedance: 8ohms 

Frequency range: 38Hz~500Hz/-10dB 

Frequency response: 42Hz~500Hz/± 3dB 

Sensitivity: 99dB/W/m 

Maximum sound pressure level: 122dB (peak 128dB) 

Rated power: 500W 

Maximum power: 1000W 

Peak power: 2000W 

External dimensions (width x height x depth): 390 x 410 x 485 mm 

Weight: 18Kg;