inputs.text: breathtaking - literally ordered two thehem hooked monoblock 500watt rms amps sub getting 500 watts 1000 total 2 mrp500s hard actually feel air taken lungs trunk windows open also broke box fine needed one actually meant speakers overall absolutely amazing subs loud durable recommend entirely power help alpine states booklet recommend sub no less 500rms no 1000 watts keep mind future getting single alpine monoblock amp 2400 watt perfect