Vehicles and sound systems for vehicles are provided. In one example, the sound system includes a plurality of sound producing devices. An amplifier is in communication with the sound producing devices. The amplifier is configured to receive input channels of audio content, to map the input channels with output channels to the sound producing devices in one of stereo mode and surround sound mode, and to remap the input channels with the output channels to the sound producing devices in the other of the stereo mode and the surround sound mode.