Sony DXSM5021BT Marine receiver with Bluetooth, NFC, App Remote and XSMP1621 speakers Sony bundle w/Marine Receiver and 2-way speakers, Stream music wirelessly w/Bluetooth & NFC connection, Front USB & auxiliary inputs for MP3/WMA playback, 55 watt x 4 Dynamic Reality Amp Anti-corrosive conformal circuit board coatings, UV exposure resistant for durability, Low glare, LCD display with blue key illumination, Partial detachable front security panel, EQ3 Stage 2 with selectable loudness Passenger Control for iPhone and iPod devices, Convenient wireless remote, Marine Remote RM-X11M compatible