| Nominal diameter | 250 mm (10 in) |
| Impedance | 4 Ohm |
| Minimum Impedance | 5 Ohm |
| Power Handling - Peak | 500 W |
| Power Handling - Continuous | 250 W |
| Sensitivity | 88.5 dB |
| Frequency Response | 20-350 Hz Hz |
| Voice Coil Ø | 50.8 mm |
| Chassis Material | PLASTIC |
| Magnet Material | FERRITE |
| Magnet size D x d x h | 140 x 60 x 30 mm |
| Voice Coil Material | COPPER |
| Cone Material | POLYPROPYLENE WITH UV INHIBITORS |
| Xmax | 12.3 mm (0.48 in) |
| Xmech | 16.3 mm (0.64 in) |
| D | 360 mm (55.8 in) |
| Re | 2.1 Ohm |
| Fs | 43 Hz |
| Le | 0.46 mH |
| Vas | 30.46 l (1.076 ft) |
| Mms | 75.6 g (2.667 oz) |
| Cms | 0.18 mm/N |
| BL | 8.3 T•m |
| Qts | 0.6 |
| Qes | 0.63 |
| Qms | 12.3 |
| Mounting Depth | 174 mm |
| Grilles Included | Yes |
| Total Weight | 5.8 kg (12.787 lb) |
| Dimension A | 319 mm (12.56 in) |
| Dimension B | 271.3 mm (10.68 in) |
| Dimension C | 174 mm (6.85 in) |
| Dimension D | 11.6 mm (0.46 in) |
| Dimension U | 291 mm (11.46 in) |
| Dimension V | 5.5 mm (0.22 in) |
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The Portofino Line by Hertz Marine brings sophisticated design and outstanding audio to luxury vessels. With its flush-mount architecture and marine-grade materials, Portofino delivers stunning sound while integrating seamlessly into high-end yacht environments. Offering premium quality with a class-leading price-performance ratio, Portofino redefines excellence in marine audio.
6.5″ Flush-Mount Marine Coaxial
150 W
Featuring a coaxial architecture with a centrally mounted tweeter on a rigid bridge, ensuring wide dispersion and smooth off-axis frequency response.
6.5″ Flush-Mount Marine Coaxial
200 W
Featuring a coaxial architecture with a centrally mounted tweeter on a rigid bridge, ensuring wide dispersion and smooth off-axis frequency response.
10” 2Ω Flush-Mount Marine Subwoofer
500 W
Long-excursion woofer with optimized motor and suspension systems for deep, impactful bass in infinite-baffle setups.
10” 4Ω Flush-Mount Marine Subwoofer
500 W
Long-excursion woofer with optimized motor and suspension systems for deep, impactful bass in infinite-baffle setups.
• Low-profile fine mesh grille with magnetic mounting for a clean, screw-free finish
• Coaxial speakers with concentric tweeter design for smooth, wide sound dispersion
• Minimal visual impact, maximum acoustic performance
• White marine-grade finish tailored for luxury marine interiors
• Built to pair with Hertz Marine amplifiers for dynamic, powerful playback
• Salt-fog and UV resistant (compliant with ASTM B117/D4329 standards)
• Waterproof construction with drainage and anti-resonance features
• Corrosion-proof terminals and sealed crossover networks
• Designed for infinite-baffle applications, no enclosure required
Portofino is not just audio equipment it is a fusion of Italian design, marine engineering, and sonic craftsmanship.
For those who demand elegance, performance, and resilience on the open sea.
PORTOFINO’s magnetic grille system not only allows for fast service access , it creates a floating, frameless look that complements any surface or material.
