If your original car stereo does not feature Bluetooth audio streaming, the PWD-X5 is yet again a great solution for you. With the included Bluetooth dongle that can be plugged in to one of the USB ports on the DSP amp. you can stream music from your smartphone to the PWD-X5. Simply pair your phone and select Bluetooth as a source in the wired remote controller to enjoy all your music, Spotify and Internet radio on your sound system.