JVC KDR640 CD-USB Receiver Sirius-XM-Bluetooth Ready MOS-FET 50W x 4 Max. (20W RMS x 4) Application Mode for iPod/iPhone External Mode for iPod/iPhone (Listen to Audio from Apps) 2-Way Control for iPod/iPhone (Select Songs from iPod or Receiver) AUX Input X 2 (Front/Rear)