Polk Audio® CSW Series SWA500 Dedicated Digital Power Amplifier (swa-5

Class D digital design delivers huge power and runs cool for superb long-term reliability500 Watts into 4 Ohms at <0.01% THDPowers up to two CSW subs of the same modelFront panel low pass filter and level adjustment knobs make "tweaking" a snap.Plug in SPEX circuit cards (supplied) optimize the amplifier to match th