Power Sound Audio S1800

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  • USA built, proprietary 18" driver with powerful motor strength and efficiency.
  • Patented digital ICEpower® 725W amplifier with DSP control
  • CNC precision cut cabinets that are finished in our industry exclusive satin black texture
  • 17Hz-200Hz +/-3dB (7Hz-11Hz typical in-room extension)





  • Ultra-low bass (20-31.5 Hz): 115.2dB
  • Low bass (40-63Hz): 128.7dB


*Subtract 9dB for an equivalent RMS 2m ground plane measurement distance.



Technical Data


Size (D x W x H)

22” x 20” x 20.5”


79 lbs

Amp TechnologyICEpower
Amp Power725W
System Type


In-room Extension


Wood Finish


Shipping Weight93 lbs






16Hz – 25Hz


31Hz – 50HZ


63Hz – 100Hz129.7
16Hz – 100Hz125.1
PSA Output Factor*1.0


  •          The PSA Output Factor shows how many subwoofers it takes to equal the output of the highlighted Power Sound Audio subwoofer. 






  •          Power Sound Audio proprietary 18” driver
  •          Extended and vented pole geometry
  •          Vented back plate to maximize air flow
  •          Extremely linear and dynamic motor system
  •          Epoxy reinforced cone neck/apex joint
  •          Concentric foam surround, treated for longevity
  •          Highly treated, rigid paper cone body
  •          Die-cast rigid aluminum frame
  •          Three inch diameter, four layer copper voice coil wound on a rigid multi-layer aluminum former with Kapton heat shielding
  •          Fatigue limiting designed, silver alloy lead wires
  •          Single poly cotton semi-progressive, high excursion spider
  •          Paper outer dust cap with acrylic coating
  •          Inner Mass Loading Cap that also strengthens the cone body
  •          Assembled in the USA




  •          ICEpower® audio technology
  •          Amplifier Power: 725 watts
  •          Inputs: Left and Right RCA inputs
  •          On, Auto, Off selector
  •          Gain control
  •          Time delay(phase) control
  •          Crossover control
  •          Room size control
  •          Custom DSP(digital signal processing) enables superior engineering refinement
  •          CE and FCC approved; EMC and safety pre-approved
  •          Fully integrated amplifier and power supply with mains-converter and auxiliary-converter
  •          Patented HCOM modulation and control techniques for unparalleled audio accuracy
  •          Sound optimized soft clipping
  •          Soft start power up with mute/de-mute.
  •          Thermal and over-current protection
  •          Standby converter with low standby power consumption (less than 1 watt)
  •          Universal mains operation (100-240 V, 50-60 Hz)
  •          Standby power consumption 170 mW @ 230 V
  •          ErP (1275/2008/EC) compliant
  •          Energy Star®v3.0 compliant
  •          117 dBA dynamic range
  •          THD+N = 0.005 % @ 1 W (4 Ω, 1 kHz)
  •          THD+N = 0.0008 % @ 50 W (4 Ω, 100 Hz)
  •          CCIF IM distortion = 0.0003 %, 10 W, 4 Ω, 18.5 kHz / 1 kHz
  •          High output current limit of 30 A




  •          Sealed enclosure
  •          Front-firing driver with grill cover
  •          Super durable, black sand textured finish
  •          Precision machined CNC panels for perfect fit of all components
  •          Rigid MDF baffles 
  •          Dimensions (D x W x H): 22" x 20" x 20.5" includes grill
  •          Weight: 79 lbs
  •          Made in the USA

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