The Alpine CHM-S620 Compact Disc Remote Changer is a 2-channel system that provides stereo sound and you can install this disc changer conveniently in to your car as it has a space-saving design and fits in multiple-angles. It produces a 5 Hz to 20000 Hz frequency response and comes with M-bus control. This audio system provides crisp and dynamic sound as it has a 16-bit linear quantization and an oversampling rate of eight.