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| IN THE BOX | |
|---|---|
| Sales Package | Jbl SRX 828S 18 Dual Passive Subwoofer System and User documentation | 
| General | |
|---|---|
| Brand | Jbl | 
| Model | SRX 828S | 
| Year | |
| Color | black | 
| Dimension | |
|---|---|
| Dimension | 26.79" x 47.42" x 22.57" (681mm x 1205mm x 574mm) | 
| Weight | 137.0 lbs (62.1g) | 
| Specifications | |
|---|---|
| System Type | Passive dual 18â€, subwoofer system | 
| Maximum SPL Output | 141dB | 
| Frequency Range (-10dB) | 30hz - 150hz | 
| Frequency Response (- 3dB) | 47hz - 150hz | 
| Sensitivity (1W/1m) | 96dB | 
| System Power Rating | 4800W Peak, 2400W Program, 1200W Continuous | 
| Nominal Impedance | 4 Ohm | 
| Connectors | NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable) | 
| Operational Modes | Passive | 
| LF Driver | (2x) 2279H | 
| Crossover Frequency | 80hz | 
| Enclosure Material | 18mm plywood | 
| Casters | Accepts JBL WK-4S Kit | 
| Handles | 8 | 
| Finish | Obsidian Duraflexâ„¢ finish | 
| Grille | Powder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing | 
| Warranty | |
|---|---|
| Warranty Type | Official Manufacturers Warranty | 
| Warranty Period | 1 year |