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
Look out for Bankstown Sound Recommendations
The Hertz HMX 6.5 TW is ideal for marine and powersport enthusiasts who want enhanced treble clarity in their audio system. Its white finish suits modern boat interiors and adds a clean look. It suits those upgrading from standard coaxial speakers to achieve more precise high-frequency reproduction. While it does not provide midrange or bass, pairing it with suitable drivers creates a full and dynamic sound. Compared to cheaper tweeters, it offers superior build quality and durability, making it a reliable choice for harsh outdoor conditions.
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.

