BOSS Audio Systems MR50B 5.25 inch Marine Stereo Boat Speakers - 150 Watts (pair), 2 Way, Full Range Audio, Tweeters, Coaxial, Weatherproof, Sold in Pairs : Amazon.co.uk: Electronics & Photo
BOSS Audio Systems MR6W 180 Watt Per Pair, 6.5 Inch, Full Range, 2 Way Weatherproof Marine Speakers Sold in Pairs, White : Amazon.co.uk: Electronics & Photo