If you are anything like me and have had one all out car audio system and looking for something with decent performance but no complications the Alpine CDE-163BT is for you. With the Alpine, CDE-163BT you can take advantage of traditional sound quality in a powerful 18 W RMS amplifier (more than many factory speakers can take) or simply take your car stereo system to another level customized soundscapes custom tailor to your car. When you own an Alpine CDE-163BT, you can download Alpine's TuneIt 2.5 SmartPhone app to your iPhone or Android Smartphones which allows you to tap into the head unit's extensive library of sound adjustment capabilities. Including a nine-band equalizer with time correction. With the Alpine's TuneIt 2.5 SmartPhone app you will be able to manually adjust your audio settings or applied settings created for you by Alpine for your specific vehicle. Furthermore, you can also share your settings with other users via social media as well as check out what others have created for your type of vehicle.