MB Quart NP1-116 Nautic Series 6.5" Premium Marine Speakers - Pair The MB Quart NP1-116 speakers bring outstanding performance and versatile style to your boat, RV or off-road vehicle. These ...

“MB Quart has been in the marine and power-sports speaker, sub, and amp categories for decades,” said Alden Stiefel, president/CEO of MB Quart parent Maxxsonics USA. “These, however, are the first ...