PRV275 Stereo Package with PRV275 Stereo, Two (2) Pairs Black 6.5" RGB Speakers, 4 Channel Amp, USB/AUX Plug & AntennaPRV275 Gauge Style StereoFeatures:Media Format(s) BLUETOOTH/ AM-FM/ USB DriveBluetooth audio streaming with ID tagging and album artworkRear RCA Aux inputs and USB port2.75" LCD color display3 pairs RCA preamp outputs including sub outCutout diameter: 3 1/2" roundFace diameter: 4 1/8" roundWired and wireless remote compatible JBL BMS65LB Black Speakers - Two (2) PairsFeatures:High performance marine audio multi-element speakers and subwoofer system engineered to meet the demands of extreme environments.JBL MA704 4 Channel Marine Amplifier - 1000WFeatures:The weather-resistant and high-performance JBL Marine amplifier delivers impressive power from a compact chassis designed to withstand outdoor environments. Kit Also Includes:USB/Aux Input AdapterAntenna