Paradigm Shift PW-800 Premium Wireless Speaker (Black) Anthem Room Correction Anthem Class-D Amp; 460W Dynamic Peak; 230W RMS 24 bit/192kHz compatible Dual 1" S-PAL tweeters (stereo), ferro-fluid damped / cooled, with extended pistonic range. Dual 5" S-PAL bass/ midrange driver with high-excursion foam-rubber elastomer surrounds, 1" high-temp voice coil.