No Receiver Required! Wirelessly stream audio from virtually any Bluetooth device - quick and easy. Instantly stream your favorite songs from your smartphone or tablet. You can also stream your favorite internet radio apps, such as Pandora, Spotify, iHeart, etc., from your connected device. (app required, not included.) The four-channel Class D Marine Amplifier is rated IP66 waterproof and produces up to 1200 watts of power. This new innovation is ideal for boats that do not have a stereo receiver already installed just wire the amp to power and to the included speakers, connect your Bluetooth device and rock on! The bundle includes two 6.5-inch 300-watt Dual marine grade Illuminite Speakers that are back-lit to enhance the lighting in your cockpit, and a waterproof/floating hand-held RF remote control.