Our hidden Bluetooth amplifier allows you the option the retain the appearance of your vehicle interior whilst offering a quality sound from your mobile phone or other portable music devices either via Bluetooth or via the headphone jack. There is no need to have a radio installed in your vehicle, however, you will require at least two speakers or one of our dual voice coil single speakers.The amplifier can be hidden away behind the dashboard, under the seat or even in the boot and is capable of powering 4 speakers.