Note: New S4 Model

Bluetooth, Auxiliary Audio Input, MP3 Player

Entertainment System: MMI® touch display with 10.1" center screen Audi sound system with ten speakers, 180 watts and single CD player with MP3 playback capability

Entertainment System: Bang & Olufsen® sound system with 3D sound, 19 speakers, 16-channel amplifier and 755 watts

Entertainment System: Bang & Ofusen Sound System with 14 speakers

HD Radio, Bluetooth, Satellite Radio, Auxiliary Audio Input, MP3 Player