Paradigm Shift PW-600 Premium Wireless Speaker (Black) Anthem Room Correction Anthem Class-D Amp; 400W Dynamic Peak; 200W RMS 24 bit/192kHz compatible Dual 1" S-PAL tweeters (stereo), ferro-fluid damped / cooled, with extended pistonic range 5" S-PAL bass/midrange driver with high-excurison foam-rubber elastomer surrounds, 1" high-temp voice coil