EKMRS12 InDash Marine Boat MP3 USB SD Media Media 4 5.25" Speakers w/Amp + Cover Enrock EKMRS12 In Dash Marine MP3 USB SD MMC AM FM Radio Media Receiver, Enrock EKMSB52 2 x Pair of Black 100 Watts 5.25'' 2 Way Marine Speakers - Total of 4 Speakers, Enrock EKMCB90 Black Water Resistant Radio Shield, Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier, Pyle PLMRNT1 Marine Wire Antenna,