Contact us

Rockford Fosgate South Africa
PO Box 13404
South Africa

Tel: 033 347 3470
Fax: 033 347 1619

Marine Speakers

M2 Marine Grade logo
M2 Marine Grade

Rockford’s M2 marine grade standard takes into account the devastating effects of the outdoor environment and takes extreme measures to ensure optimum performance.

• 100% UV stable CENTREX® injection molded plastic
• Corrosion resistant gold plated polarized terminals
• Injection molded polypropylene cone with UV inhibitors
• Internal full magnetic shielding
• Stainless steel grilles and mounting hardware
• UV and salt fog resistant thermo-plastic elastomer surround

M2 Marine Grade logo
ASTM B117 – Salt/Fog & D439 – UV Test Standards

ASTM B117 salt/fog test standard provides accelerated aging in a controlled corrosive environment to produce relative corrosion resistance information for specimens of metals and coated metals.

ASTM D4329 test standard is intended to induce property changes associated with end-use conditions, including the effects of sunlight, moisture, and heat.