Where i find amp. W/ spkrs 4 iPhone 4s, tried rad. shk, walmart.
Ah, if you mean big ol' home stereo speakers, just get a stereo and a cord with a male 1/8 jack to plug it in with.If you're looking for smaller speakers, here:http://store.apple.com/us/browse/home/shop_ipod/ipod_accessories/speakersIf you're looking for something small and portable, I recommend the iHM79s.
Razer Ferox - http://www.razerzone.com/gaming-audio/razer-ferox/ if you want to push them a little harder and get better quality sound then grab the FiiO E1 also - http://www.fiio.com.cn/product/index.aspx?ID=14&MenuID=020301.