S21 Ipal

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

  • Design Sealed
    Driver 21" Ipal Woofer
    Powered Yes
    Amp 4000W RMS (6000W Peak)
    Enclosure CNC machined MDF
    Frequency Response 11hz-200hz Anechoic (+/-3dB)
    In-Room Extension 6Hz-9Hz
    Size (DxWxH) 24.5" x 23.75" x 23.75"
    Weight 157 lbs

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.

  • The S21 Ipal 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.

    The MDF enclosure is well braced with a double thickness woofer baffle.  The enclosure 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 renown 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.


  • S21 Ipal Frequency Response

Power Sound Audio Newsletter

Enter your email address to receive new product announcements, tips & tricks to optimize your system, and all other Power Sound Audio related news.