AVIC FEEDS for iPhone compatible Bluetooth Hands-Free Bluetooth Audio Streaming (A2DP and AVRCP) Navigation destination entry byVoice Control (Address Search, POI selection by category or brand name) USB Direct Control for iPod/iPhone and USB Devices (Optional Cable Required for iPod/iPhone) Advanced Sound Retriever to restore your compressed media to near CD quality XM and Sirius Radio Ready 3 RCA preouts for adding on external amplifiers Two-Way Crossover with separate High and Low Pass settings. Built-in MOSFET 50 W x 4 amplifier for excellent sound quality, minimal distortion and efficient power handling. DVD/CD Player Supertuner IIID advanced analog and digital processing assure superior imaging, less distortion and noise, and stronger, smoother broadcast signal reception. AUX input to easier plug in your portable media devices Back-Up Camera Ready ..