Polk Audio PA D4000.4 PAD Series 4-Channel Amplifier - 400W [PAD4000.4]

PA D4000.4 PAD Series 4-Channel Amplifier - 400WWhen install space is at a premium, but your sound system demands plenty of power to realize its full potential, Polk Audio’s new super-efficient D Series amplifiers are a very cool solution. Polk's PA D4000.4 4-channel amplifier may be small, but it can power your front and rear speakers with up to 125 watts RMS each.  Or, you can switch this little beast over to 2-channel mode to drive a couple subwoofers with up to 200 watts RMS each.  However you use it, this amplifier will fit in almost any location.Separate high- and low-pass filters on the front and rear channels allow this versatile amp to run a variety of speaker systems, like bi-amped mid-bass and tweeter components, or two front speakers and a sub.Features: Super-Efficient Class D Bridgeable Design - Runs cooler than conventional amps.     High-Speed MOSFET Switching power supply.  Front and rear level controls. Protection - thermal, DC offset, reverse polarity and short circuit. Nickel-plated wire terminals and RCA connectors. Stainless steel hardware. Technical Specifications: Number of Channels - 4 Frequency Response - 20Hz - 20KHz 2 Ohm RMS Power (14.4V) Per Channel - 4 x 200W 4 Ohm RMS Power (14.4V) Per Channel - 4 x 125W 4 Ohm RMS Power Bridge (14.4V) Channel - 2 x 400W Signal-to-Noise Ratio - >105dB Product Dimensions (with panels) (H x W x D) -1.81'' x 10.94'' x 6.75'' *Sold as an IndividualWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Bridgeable: Yes Channels - Available: 4 Waterproof Rating: Splashproof Watts: 400w Box Dimensions: 4"H x 10"W x 14"L WT: 6.1 lbs UPC: 747192121938 Owner's Manual (pdf)Brochure (pdf)