Mfg. by Ric Shultz of Electronic Visionary Systems,(one of the best modders in the business) 100w/ch @ 8 ohms, 200w/ch @ 4 ohms. auto-sense on/off. works great for center channel spkrs. paid $500 sell $200. I have a Silverline center channel spkr. listed in home theater section, package deal for both.