Weather Proof Pair of MR6W 6.5" Full Range Marine Speakers with Poly Carbon Cone and Rubber Surround 180 Watts MAX 90 Watts RMS Power Handling per PairMC900B has 500 Watt Max Power. 4 Channel Amp with Bluetooth Multi-Function Remote no head unit neededCompatible with Audio out from Smartphones and MP3 PlayersAux, Low Level Inputs, RCA Pre-amp Outputs and USB Charging PortBluetooth Audio Streaming play music and apps like Spotify/Pandora wirelessly Includes Flush Mount Bezel for Remote, Mounting Bracket, 10' USB Cable and Protective Phone Pouch