Break out your driving playlists with the MEX-N4150BT in car media receiver. Stream music from selected smartphones with Bluetooth and NFC, and enjoy safe voice control with Siri Eyes Free on your iPhone. Hear your music collection in the best possible quality thanks to DSEE and ClearAudio+, while MEGA BASS boosts your bass lines. Stream music and take calls with NFC One touch and Bluetooth Enjoy safe voice control with Siri Eyes Free on your iPhone DSEE restores quality to compressed files Great sounding music in one step with ClearAudio+ Stream and control right from your smartphone with SongPal OUTPUT POWER (4 OHM, 1 KHZ, 16 V) 55 W PRE OUT Front+Rear/Sub switchable SUB OUT No AUX IN Yes (Front) USB Yes (Front).