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  1. Subwoofer Amps | High Pass Filters
    Hi. From what I can find out, the SPA-500 has a HPF at 18hz with a Q of.707, is that correct? Can someone correct me if I am wrong. I am trying to model a Adire Audio Shiva 2 in WinISD. Thanks.
  2. Great Deals and Specials
    Only $9.99 75% OFF | MSRP: $39.99 630 Avaialable | 170 Sold as of 02/08/10 4:00pm CST Free Shipping
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