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The SBA series has been designed with the aim of offering the proper and more reliable amp to users of very big subwoofers with no concessions. Their output performances (270V/70A) are more than needed to push your subs as far as their maximum limits accept.

These 2-channels devices are based on the field proven Quanta PulseTM Technology with an oversized dual high capacity regulated power supply with PFC to deliver their full performances independently of mains status, and an also oversized high efficiency audio power stage, forced front to back cooling through a component-free path with removable front panel dust filters, improved rugged mechanical design with even weight distribution.

With Subamp series you make sure that you will get the maximum output performances of your subwoofers.


  • Multipurpose hall, conference room
  • Church
  • Background music square
  • Lounge Bar, Pub, Disco
  • Stateroom, restaurant for wedding reception


• Dual PFC QuantaPulse™ Regulated SMPS
• Max. Output: 270V / 70A peak
• Dedicated design for powerful subwoofers
• Industry standard Neutrik XLR and Speakon connectors
• Heavy Duty Audio Power section for extreme use
• 32/38/44 dB selectable Gain
• Removable front panel dust filters
• Efficient front to back cooling


 Output Power    
 @ 4 Ohms 4 x 2950 W
 @ 8 Ohms 4 x 1550 W
 Bridge @8 Ohms 2 x 5900 W
 Frequency Response    
 Power Bandwidth ± 0.25 dB 20Hz-20KHz
 Total Harmonic Distortion  
 20Hz-20KHz <0.05%
 Intermodulation Distortion   
 SMPTE <0.05%
 Damping Factor 
 20-500Hz @ 8 Ohms  >500
 20Hz-1KHz, typical  >70 dB
 Voltage Gain   
Selectable 32 / 38 / 44 dB
 Rated Power (32/38/44 dB Gain) 2.8/1.4/0.7V
 Signal to Noise Ratio    
 20HZ-20KHz 116 dB
 Required AC Mains    
 Operating Voltage (50Hz-60Hz) 90V-265V AC
 Power on Idling (@230V) 0.5 A
 1/8 Rated Power (@230V/4ohm) 13 A
 W x H x D (mm) 483×88.9×460
 W x H x D (inches) 19 x 3.5 x 18.1
 Net 12 Kg / 26.5 lbs
 Soft-start, Turn-on Turn-off transients, Over-heating, DC, RF, Short-circuit, Open or mismatched loads, ICL™, PMS™ and SSP™