Hertz Marine Portofino 65 XC 6.5 Inch Flush Mount 2 Way Coaxial Speakers 75w RMS
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The Hertz Marine Portofino 65 XC is a 6.5-inch (165 mm) 2-way flush-mount coaxial marine speaker rated at 75 W RMS / 150 W peak, from the Hertz Marine Portofino range. It features an ultra-low-profile design with a fine mesh magnetic grille, built for permanent installation in marine environments.
See also the Portofino 65 XW and the larger Portofino 77 XC.
Key specifications
- Size: 165 mm (6.5 in)
- Type: 2-way flush-mount coaxial
- Power handling: 75 W RMS continuous, 150 W peak
- Impedance: 4 ohms
- Mounting depth: 97.3 mm (3.83 in)
- Tweeter: 36 mm (1.4 in) PEI dome, neodymium magnet
- Woofer voice coil: 25 mm (1 in)
- Frequency response: 50 Hz to 25 kHz
- Grille: fine mesh magnetic, tool-free attachment
Hertz Marine Portofino 65 XC
165 (6.5) mm (in.) | 97.3 (3.83) mm (in.) | Flush-mount Coax | 150 W | 4 Ohm
The PORTOFINO 65 XC is a 6.5-inch flush-mount coaxial speaker built for premium marine installations. Its ultra-low-profile construction and fine mesh grille sit flush and discreet within luxury yacht interiors, while marine-grade materials provide resistance to UV, salt and moisture. The speaker delivers clear, balanced audio across its 50 Hz to 25 kHz frequency range, with a neodymium-magnet PEI dome tweeter handling the highs.
Features
- Flush-mount architecture – ultra-low-profile installation for a clean, unobtrusive finish.
- Fine mesh magnetic grille – tool-free attachment for seamless integration.
- Marine-grade materials – resistant to UV, salt and moisture.
- 36 mm PEI dome tweeter with neodymium magnet – extended high-frequency clarity.
- 25 mm voice coil woofer – controlled bass response in a compact form factor.
- 75 W RMS / 150 W peak power handling – suitable for a wide range of marine amplifiers.
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Specification
| Component | FLUSH-MOUNT COAX |
|---|---|
| Size mm (in.) | 165 (6.5) |
| Power Handling | - Continuous W 75 |
| Power Handling | - Peak W 150 |
| Impedance | Ohm 4 |
| Depth mm (in.) | 97.3 (3.83) |
| Tweeter diaphragm mm (in.) | 36 (1.4) |
| Woofer Voice Coil Ø mm (in.) | 25 (1) |
| Tweeter Voice Coil Ø mm (in.) | 20 (0.8) |
| Frequency Response | Hz 50 ÷ 25k |
| Woofer Magnet size D x d x h mm (in.) | 78,5 x 32 x 17 (3.09 x 1.26 x 0.67) |
| Tweeter Magnet size D x h mm (in.) | 19,7 x 3 (0.78 x 0.12) |
| Weight | of one speaker kg (lb.) 1 (2.2) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Polypropylene with UV inhibitors |
| Dome | PEI |
| Xmech mm (in.) | ±6,65 (0.26) |
What's Included
- PORTOFINO 65 XC
Hertz
About the Hertz PORTOFINO 65 XC
From our tech experts at CEN
Marine-grade 6.5 inch coaxial speakers handling 75w RMS, built with UV-stable materials and corrosion-resistant hardware for life in sun, salt and spray.
Who it suits
Boats, ribs and open builds, and campers with an outdoor listening area. Anything mounted where rain reaches it should be marine-rated, whatever the vehicle.
Our tech experts advise
In a marine install the wiring decides longevity: tinned cable, sealed joints and a properly fused feed. Mounting position affects the sound more than the speaker choice, because there are no cabin walls to help you. get in touch and we will talk through mounting, wiring and power for your boat.
Explore the full Hertz range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Hertz
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Frequently Asked Questions
Q: What makes marine speakers different from car speakers?
A: Marine speakers are built with UV-stable, water-resistant cones, grilles and hardware designed for open-air and wet environments. They are the right choice for boats, jet skis, hot tubs and outdoor installs.
Q: Are these speakers fully waterproof?
A: Marine speakers are water-resistant to marine ratings rather than submersible. The IP rating, where provided, is listed in the Specification tab.
Q: Do I need a marine amplifier as well?
A: For best results, yes. Marine amplifiers carry conformal-coated boards that resist moisture and salt air. Match the amplifier to the RMS rating in the Specification tab as you would with any system.
Q: Will these work outside of marine use?
A: Yes. Marine speakers are popular for motorcycles, quads, hot tubs, garden bars and anywhere the weather reaches. Their durability makes them a strong outdoor choice.
Q: What mounting depth does the Portofino 65 XC need?
A: It needs a mounting depth of 97.3 mm (3.83 in).
Q: How much power can the Portofino 65 XC handle?
A: It is rated at 75 W continuous and 150 W peak at 4 ohms.
Q: How is the Portofino 65 XC grille attached?
A: It uses a fine mesh magnetic grille with secure, tool-free attachment.
