Pyle 50ft 18 Gauge Speaker Wire - Waterproof Marine Grade Cable in Spool for Connecting Audio Stereo to Amplifier, Surround Sound System, TV Home Theater and Car Stereo - PLMRSW50
328ft/100m, 12 AWG (3.3 mm2) Marine Speaker Cable - NautiRadar - Marine Systems Electronics and Telecommunications Ltd
Marine Grade Speaker Cables – NLD Prime
Audiopipe 16 Gauge 100 Feet OFC Tin Copper Marine Speaker Cable RGB Plus White - Best Connections