Fentac(TM) Lepy LP-269FS 4 x 45 Watts Lepai Amplifier Mini Amplifier Remote 4 by 4 FM Amplifier Mp3 Amplifier Usb Amplifier Up to 4 x 45W of output , without bluetooth function 12V 3A Power supply, IR remote, and FM antenna included 2-ohm stable All-in-one amplifier with SD/MMC card and USB input Input range of 9 to 14.4 VDC for many applications