Shakespeare External Marine Radio Speaker. 25" external speaker with Mylar cone in a compact white housing to withstand the rigors of the marine environment the ES-2 is a 4-ohm speaker for input power up to 5 watts (RMS). Comes with a ratchet-action mounting bracket hardware mounting kit and six feet of cable with "mini phone" plug installed. Features of Shakespeare ES-2 External Marine Radio Speaker 2.25" external speaker Input power up to 5 watts (RMS) Includes ratchet-action mounting bracket hardware mounting kit and six feet of cable Mini phone plug pre-installed Package Contents: Shakespeare ES-2 External Marine Radio Speaker Shakespeare ES-2: External Marine Radio Speaker