Fusion XS Series 4 Inch Marine Speaker – 120W Peak Power

Elevate your on-board audio with the Fusion XS Series 4" marine speaker, engineered to deliver clear, dynamic sound even in harsh marine environments. Its compact 4-inch footprint hides serious performance, making it a smart upgrade for cabins, cockpit dashboards, or alongside more XS Series speakers to create a cohesive, immersive soundscape across your vessel.

Why this 4-inch speaker stands out

Smart design choices translate to real-world benefits on the water. The injection-moulded polypropylene cone provides rigidity and durability against salt, sun, and spray, while the aluminium dome tweeter delivers crisp, detailed highs that remain clean at higher volumes. With a 120W peak power rating and 30W RMS, you get ample headroom for cruising, wakeboarding, or entertaining guests without distortion. The 87 dB sensitivity means you can achieve solid volume from a standard marine head unit that fits your existing setup.

Key specifications at a glance

• Speaker size: 4 inches
• Peak Power: 120W
• RMS Power: 30W
• Sensitivity: 87 dB
• Frequency Response: 100 Hz – 18 kHz
• Cone Material: Injection-moulded polypropylene
• Tweeter Type: Aluminum dome
• Nominal Impedance: 4 ohms
• Water/Dust Rating: IP65
• Warranty: 3 years

Durability meets performance on the water

The Fusion XS Series is built for the realities of sea life. IP65-rated against water jets and dust means you can enjoy your favorite tunes in rain, spray, or dusty docks without compromising sound quality. The blend of a rugged polypropylene cone and a responsive aluminum dome tweeter results in a balanced sound signature that remains intelligible on noisy boats, whether you’re cruising, anchoring, or entertaining on deck.

Designed for simple, reliable integration

With a practical 4-inch form factor and 4-ohm impedance, this speaker integrates smoothly into most offshore audio systems. It complements Fusion’s other XS Series components, helping you build a cohesive marine audio setup that looks as good as it sounds. The contemporary, low-profile aesthetic ensures a clean fit that complements modern boat interiors while delivering dependable performance season after season.

Who should consider the Fusion XS 4" marine speaker?

Ideal for boat owners and outdoor audio enthusiasts who want trustworthy, high-fidelity sound in a compact package. Perfect for cruisers upgrading stock speakers, for multi-speaker installations along seating areas, or as part of a broader Fusion marine audio system. If you need clear vocals, punchy midrange, and sufficient bass from a small footprint with marine-grade durability, this speaker is a compelling choice.

Why choose Fusion XS over generic marine audio options

Fusion brings years of marine audio expertise to the XS Series, focusing on components and build quality that survive saltwater, sun, and vibration while delivering consistent, room-filling sound. The 4" XS speaker blends reliability, efficiency, and a refined sound profile—without sacrificing space or aesthetics. It’s a practical upgrade that delivers noticeable gains in clarity, headroom, and weather resistance compared with non-marine or larger consumer-grade options.

Practical tips to maximize performance

• Pair with a compatible Fusion head unit and, if desired, a compact marine amplifier to maximize RMS headroom for loud, clean output.
• Plan a multi-speaker layout to create a balanced soundstage across the cockpit and helm area.
• Place speakers where water spray is least likely to hit directly, yet still within reach of the listening area for optimal coverage.
• Regularly rinse with fresh water after exposure to salt spray and dry to extend cone and tweeter longevity.

With the Fusion XS Series 4" marine speaker, you’re choosing a purpose-built solution that respects the realities of life on the water while delivering standout sound. It’s a durable, stylish, and high-performing addition to any boat audio setup.