i cant do tha hole read thing to learn thing never have never will...tha only way i learn is hands on..ty tho looks like a very informal site that cld help many people... i really just try to find a qwick lesson or something.. really just wanna knw ohm relastion ship... say a 4 ohm 1000 watt rms sub for example...cld i use 900 Monoblock amp