This 4 inch, 4 ohm deluxe marine speaker features a Mylar cone and white plastic cabinet for ultimate protection against moisture. The ES4P features a 12 volt built-in amplifier that increases the audio level to 94dBA and improves tone and voice clairity. Separate volume and tone controls and a switchable attenuator helps prevent accidental over-driving. Comes with swivel mounting bracket, side knobs, 6' of cable with 3.5mm mini plug & 12 volt power wire. In white.