inputs.text: worth price - product ordered came 1 day earlier expected shipping upon installation came across problehem hooking subwoofers still dont know theyre installed properly work handbook doesnt go specifics offers diagram bluetooth audio fair bluetooth talk excellent product description says radio provides 4 channels 50 watts max not speakers justice resort installing second amplifier power expensive speakers dont see anyway adjust subwoofer levels point im not sure plugged thehem correctly say however installation easy wires labeled corresponding feature right rear left rear power ground ect theft common neighborhood face comes pretty easy main reason bought radio however put face back turn face lowers wanted put disc close right press button live overall im really satisfied product recommend someone looking bargain ive cutting corners lately money however time doesnt prove mistake thing dont like uncommon mini usb port adapter cost 20 plug iphone bluetooth covers itupdate battery rehemote lasted 2 days buy new battery 7