| General specifications | 
      
        | Speaker type | Subwoofer, Bass-reflex | Subwoofer, Bass-reflex | 
      
        | Frequency range (-10dB) | Passive: 32 Hz - 3kHz, Normal (*1): 32 Hz - 150 Hz, Extend (*1): 29 Hz - 150 Hz | Passive: 33 Hz - 3.5kHz, Normal (*1): 35 Hz - 150 Hz, Extend (*1): 33 Hz - 150 Hz | 
      
        | Components | LF | 18" Cone, 4" Voice Coil, Ferrite magnet | 15" Cone, 4" Voice Coil, Ferrite magnet | 
      
        | Power rating | NOISE | 500 W (EIA 426-A) | 400 W (EIA 426-A) | 
      
        | PGM | 1000 W (EIA 426-A) | 800 W (EIA 426-A) | 
      
        | PEAK | 2000 W (EIA 426-A) | 1600 W (EIA 426-A) | 
      
        | Nominal impedance | 8Ω | 8Ω | 
      
        | SPL | Sensitivity (1W; 1m on axis) | 100dB *2 | 98dB *2 | 
      
        | Peak (Calculated) | 133 dB *2 | 130 dB *2 | 
      
        | I/O connectors | SpeakON NL4MP x 3 (Parallel x2, Output x1) | SpeakON NL4MP x 3 (Parallel x2, Output x1) | 
      
        | Handle | Aluminium die-cast, Side x2 | Aluminium die-cast, Side x2 | 
      
        | Pole socket | Φ35 mm (depth 80mm), M20 Threaded (depth 25mm) | Φ35 mm (depth 80mm), M20 Threaded (depth 25mm) | 
      
        | Dimensions | W | 550 mm (21.6") | 450 mm (17.7") | 
      
        | H | 657 mm (25.9") (with rubber feet) | 587 mm (23.1") (with rubber feet) | 
      
        | D | 720 mm (28.4") | 600 mm (23.6") | 
      
        | Net weight | 43.6kg (96.1 lbs) | 35.6kg (78.5 lbs) | 
      
        | Options | Cover: SPCVR-DXS18X, Caster: SPW-1 | Cover: SPCVR-DXS15X, Caster: SPW-1 | 
      
        | Others | Enclosure Material, Finish, Color: Plywood, Durable Polyurea coating, Black/White | Enclosure Material, Finish, Color: Plywood, Durable Polyurea coating, Black/White |