Helical voice coil driver (4.5") delivers natural, high-fidelity sound from a small marine speaker.

Polymer fiber composite driver cone ensures high quality sound reproduction that is resistant to the type of deterioration often caused by extreme conditions.

Silicon-coated surround for consistent sound quality regardless of weather conditions.

High-impact polystyrene, polymer enclosure for years of listening pleasure with a greater level of durability.

Ported enclosure design for rich lows from a small enclosure.

Stainless steel hardware allows you to place these speakers in the rigors of a marine environment.

Syncom computer tested to ensure one of the highest levels of quality and reliability in the audio industry.

Designed to flush mount in the pre-cut speaker openings provided by many boat manufacturers, each Bose 131 marine audio speaker features a Bose full-range driver for high-fidelity sound, and a proprietary ported enclosure for smooth, consistent low-frequency response.

Our proprietary drivers deliver a more consistent sound field than many conventional boat speakers, while the innovative ported enclosures compensate for the unpredictable mounting environments that can diminish performance. With Bose 131 marine stereo speakers, you enjoy clarity and full performance even afloat.