Boss MCK1520.5 Combo Kit includes MR1520UA, MR50W, ANT10, MRC5 Marine bundle includes CD receiver, speakers, dipole antenna, and protective marine cover MR1520UA single-DIN marine AM/FM radio, CD, CD-R/RW, MP3 receiver with USB/SD/Aux inputs Pair of 5.25-inch MR50W marine speakers with 150 Watts maximum power handling MRANT10 marine dipole antenna gets great reception out on the water MRC5 universal marine radio cover keeps your receiver dry and protected