car amplifier:RF-1000D @ 1 OHM CLASS D TECHNOLOGY 1 RMS:1000Wx1CH @ 1Ohm DC 14.4V 2 Size:208x140x50mm 3 PCB double layer 4 terminal: bigger & perspective 5 Packing : color& wood box 6 heatsink :oxid & gray or red As professional manufacturer of car audio.we can provide all sorts of amplifies with surper quality and competitive price, If any interests, please feel free to contact me, we will do our Best to meet your demand.