Quad Speaker Box

Built for serious audio performance on the water, the FMS Quad Speaker Box delivers powerful, clear sound in a rugged marine-grade aluminum enclosure. Designed and fabricated in the USA, this quad speaker configuration is engineered to handle the harsh marine environment while delivering premium audio output.

• Marine-grade aluminum construction for maximum durability and corrosion resistance
• Quad speaker configuration for wide, even sound coverage
• Built to withstand UV exposure, saltwater, and vibration
• Handcrafted in the USA
• Compatible with standard marine audio systems
• Powder-coated finish for long-lasting protection

Whether you're out on the lake or offshore, the FMS Quad Speaker Box is built to perform where it counts.

Built to Order: Each Quad Speaker Box is made to order. Please allow 7–14 days for fabrication and shipping.