MODEL SI-18BX 
GENERAL INFO  
System type 18" subwoofer
Frequency response +/- 3db 35-200Hz
Sensitivity (db 1w@1m) 99db
System impedance FULL RANGE:4Ω
Maximum SPL Peak dB 134db
System FB 36Hz
POWER HANDLING (Watts)  
Continuous RMS 800
Program 1600
Peak 3200
LF DRIVER  
Lf driver size mm / inches 18"
Lf voice coil size 102.6/4.0"
Lf magnet type φ220 x 110 x 23
PHYSICAL FEATURES  
Finish Black painted
Construction material 15 mm MDF/Particle
Handle quantity 2
Suspension points No
Stand adapter - BOTTOM No
Castors No
Enclosure type Cube
IN / OUT PANEL (speaker Level)  
Input connector 2 x Speakon NL4 type with barrier 
DIMENSIONS & WEIGHT  
Height ( mm / ins ) 620
Width Front / Rear / mm / ins 537
Depth ( mm / ins ) 508
Net weight ( kg / lbs ) 35.5 kg
Gross weight ( kg / lbs ) 44 kg