Grand Cherokee's available Premium Sound System creates a realistic sound stage by utilizing a high-powered 12-channel, 506-watt, 5.1 surround sound amplifier powering 9 speakers and dual voice coil subwoofer strategically placed throughout the cabin. Jeep® brand Premium Sound System's are known for offering outstanding tonal balance, an evenly distributed soundstage and exquisite sound definition. The 6 speaker sound system includes two instrument panel-mounted 6.4 cm tweeters, two front-door 15.2 cm full-range speakers, and two rear-door 16.5 cm full-range speakers.