Descriptions

About: Hertz PORTOFINO 100 S4 10" 250W RMS Flush-Mount Marine Subwoofer - SVC 4 Ohm

The PORTOFINO 100 S4 delivers powerful, refined bass designed to complement the elegance of luxury yachts. Its 10-inch flush-mount design ensures seamless integration into sophisticated marine interiors, while producing deep, controlled low frequencies that enrich every listening experience at sea.

Crafted with premium marine-grade materials, it withstands UV rays, salt, and moisture, guaranteeing lasting performance in the harshest conditions. The fine mesh magnetic grille provides a sleek, ultra-low-profile finish, blending perfectly into the yacht’s architecture. For those who expect both uncompromising sound and timeless style, the PORTOFINO 100 S4 redefines marine audio excellence.

Features: 

• Powerful low frequencies – deep, impactful bass that enhances every voyage.
• Flush-mount design – ultra-low-profile installation for seamless integration.
• Fine mesh magnetic grille – elegant look with secure, tool-free attachment.
• Premium marine-grade materials – built to resist UV, salt, and moisture.
• 10-inch subwoofer performance – engineered for rich, controlled bass in open-air environments.
• Luxury-focused design – crafted to blend perfectly into exclusive yacht interiors.
• Benchmark value – premium sound and design with the best price-to-performance ratio in its class.

Specifications: 

• Size: 10” (250 mm)
• Power Handling - Continuous: 250 Watts
• Power Handling - Peak: 500 Watts
• Impedance: 4 Ohm 
• Depth: 6.85” (174 mm) 
• Voice Coil Type: single
• No Filter Component: Subwoofer
• Voice Coil: 2” (50 mm)
• Magnet size (D x D x H): 5.51” x 2.36” x 1.18” (140 x 60 x 30 mm)
• Weight of one component: 11.24 lb. (5.1 kg) 
• Magnet: High density flux ferrite
• Cone: Polypropylene with UV inhibitors
• Xmech: 0.64” (16.30 mm)
• Colour: Black (Charcoal) or White