S21 Ipal-M
S21 Ipal-M
S21 Ipal-M
S21 Ipal-M
S21 Ipal-M

S21 Ipal-M

New Price$3,199.99



Unleash your home theater

Create the very best home theater experience with a powered subwoofer from Power Sound Audio. Energize your room with fast, dynamic bass and cinema quality sound.

-Resetting the marketplace for what you should demand from your subwoofer the S21 Ipal-M offers a stunning combination of power, accuracy, and extension in a remarkably compact cabinet.

-The S21 Ipal-M subwoofer is powered by a 4000 RMS (6000W Peak) built-in amplifier with proprietary noise reduction as well as an innovative DSP software code that ensures both longevity and sound accuracy.

-MDF enclosure that is finished with a non-reflective matte covering. An acoustically transparent fabric grille covers the front-firing 21-inch subwoofer driver. The amplifier is mounted on the rear baffle.

-The 21" IPAL woofer is world renowned as the very best money can buy, period. With incredible thermal handing, motor strength, and inductance considerations you are assured of powerful and accurate bass reproduction.
Design Sealed
Drivers 21" Italian IPAL Woofer
Powered Yes
Amp 4000W RMS (6000W PEAK)
Enclosure CNC machined MDF
Frequency Response 11hz-200hz Anechoic (+/-3dB)
In-Room Extension 6Hz-9Hz
Unboxed Size (DxWxH) 24.5" x 23.75" x 23.75" with grille
Boxed Size (DxWxH) 30" x 31" x 31" 
Boxed Weight 157 lbs

Included In The Box

  • One S21 Ipal-M powered subwoofer
  • Grille
  • One owner's manual
  • One 6' AC power cord
  • Four furniture (carpet) sliders

  • Amp

  • Amplifier Power: 4000W RMS 6000W Peak
  • Amplifier Topology: Innovative post-filter feedback class-D topology, achieves ruler-flat frequency response, low distortion and very high damping across the whole audio band
  • Uses latest generation power MOSFET transistors and highly optimized output stage for up to 95% efficiency, allowing quiet fan-less operation up to unprecedented power levels
  • Full featured protection: DC, overload, low impedances, shorts, under/over-voltage, overheating, etc.
  • Includes gentle soft-start and long-term power limiter to reduce the chances of tripping breakers
  • 120VAC (optional 120VAC-240VAC for an additional charge)
  • Unbalanced Inputs: Left and Right RCA
  • Balanced Input/Output: XLR input and XLR loop output.
  • On, Auto, Off selector
  • Gain control
  • Time delay(phase) control
  • Crossover control
  • Room size control
  • Custom DSP(digital signal processing) enables superior engineering refinement
  • LED indicators for standby and power mode

  • Cabinet

  • Sealed Enclosure
  • Front-firing driver
  • Acoustically transparent grille
  • Non-reflective black matte finish
  • Precision machined CNC panels
  • Rigid MDF baffles
  • Heavily braced
  • Rear mounted amplifier
  • Rubber feet
  • Dimensions (DxWxH): 24.5"x23.75"x23.75" with grille

  • Woofer

  • 21 inch B&C Ipal woofer design from Italy
  • 6 inch split wound aluminum voice coil
  • 5000 watt thermal capabilities
  • 99 dB sensitivity
  • Motor force of 522(BL^2 / re)
  • Extensive inductance control to optimize sound quality

  • s21ipal

    The Difference.

    The best systems your neighbors

    have ever

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