More about the product
The Hertz HMX 6.5 TW is a high-quality marine tweeter designed to deliver crisp and detailed high frequencies in outdoor environments. Built for marine and powersport applications, this model is engineered to withstand harsh conditions such as water, salt, and UV exposure, making it ideal for boats, jet skis, and off-road vehicles.
The HMX 6.5 TW comes in a clean white finish that blends seamlessly with most marine interiors, giving a stylish and professional look to any installation. Its robust design includes corrosion-resistant materials and a protective grille that ensures long-lasting reliability. The IP65 rating means it is fully protected against water jets and dust ingress, guaranteeing dependable performance even in wet and challenging conditions. This level of protection makes it suitable for open-air installations where durability is essential.
The tweeter uses a high-efficiency design to produce clear and accurate treble, enhancing the overall sound quality of any marine audio system. It is specifically designed to complement midrange and bass drivers, creating a balanced and dynamic listening experience. The dome structure ensures smooth dispersion of high frequencies, allowing sound to travel effectively in open spaces.
Installation is straightforward thanks to its compact size and standard mounting dimensions. The HMX 6.5 TW integrates easily with existing marine audio setups and is compatible with most systems. It is built to handle high power levels without distortion, ensuring clarity even at elevated volumes.
While the HMX 6.5 TW excels in delivering crisp highs and durability, it is a dedicated tweeter, so it does not produce midrange or bass frequencies. For full-range sound, it should be paired with suitable midrange speakers or coaxial units. This design approach allows for more precise audio reproduction, especially in marine environments where clarity is often compromised by ambient noise
Technical details
- Brand
- Hertz
- Cone
- Polypropylene with UV inhibitors
- Continuous Power Handling
- 70WRMS
- Dome
- PEI
- Frequency Response
- 50Hz ÷ 25kHz
- Impedance
- 4Ω
- Mounting Depth
- 69mm
- Peak Power
- 150W
- Size
- 6.5 inches
- Tweeter Magnet
- Neodymium
- Woofer Magnet
- High density flux ferrite
Frequently Asked Questions
In addition to shipping all over Australia with Australia Post, we also offer in-store pickup from our Bankstown, NSW store. From the checkout, you're able to select between shipping methods, regular, Express, or In-Store Pickup. For more information on Bankstown Sound shipping, please read more here.
We offer installation services for everything we sell. Our installations come with a lifetime warranty and are performed at our Bankstown, NSW workshop by Car Audio installation specialists with over 25+ years experience. Please contact us for an installation quote if you're wanting us to do it for you.
Why Choose Bankstown Sound for Your Car Audio & Tech Upgrades
At our Bankstown Sound store and workshop in Sydney, our team ensures every car and auto audio installation and upgrade starts with an understanding of how you use your car. Our team works with you to understand your driving habits, the features you rely on, and the problems you’re trying to solve.
Most factory setups are built to broad standards and often lack the clarity or seamless connectivity required for how people actually drive. That’s why we focus on modernising your dashboard and audio performance based on how you use your vehicle.

