More about the product
The Hertz HMX 8 TW is a premium marine tweeter designed to deliver crisp, detailed high frequencies in outdoor environments. Built for marine use, this model combines durability with precision sound reproduction, making it ideal for boats and watercraft exposed to harsh conditions. The tweeter is finished in a clean white colour, giving it a sleek look that blends seamlessly with most marine interiors.
The HMX 8 TW features a titanium dome tweeter that ensures accurate and clear treble response. This rigid material provides excellent high-frequency performance without distortion. An integrated acoustic lens optimises sound dispersion, allowing the tweeter to project clear highs across a wide listening area. This design ensures consistent audio quality even in open spaces where sound can easily dissipate.
Durability is a key strength of the HMX 8 TW. The tweeter is engineered to resist water, salt, and UV damage, making it suitable for long-term use in marine environments. Its sealed structure protects internal components from corrosion, while the UV-resistant grille maintains its appearance under prolonged sun exposure. The white grille adds a stylish touch while offering practical protection.
Installation is straightforward thanks to the included mounting hardware and secure design. The tweeter is intended for wired systems, focusing on reliability and acoustic precision rather than wireless features. It pairs perfectly with Hertz marine woofers and coaxial speakers to create a balanced, high-quality audio system.
As part of Hertz’s marine series, the HMX 8 TW delivers premium sound without compromising on weather resistance. While it excels in clarity and durability, it does not include smart or wireless connectivity, making it best suited for traditional wired setups. Its combination of rugged construction, refined sound, and elegant white finish makes it a standout choice for marine audio enthusiasts.
Technical details
- Brand
- Hertz
- Cone
- Polypropylene with UV inhibitors
- Continuous Power Handling
- 100WRMS
- Dome
- PEI
- Frequency Response
- 45Hz ÷ 25kHz
- Impedance
- 4Ω
- Mounting Depth
- 91mm
- Peak Power
- 200W
- Size
- 8.8 inches
- Tweeter Magnet
- Neodymium
- Woofer Magnet
- High density flux ferrite
Look out for Bankstown Sound Recommendations
The Hertz HMX 8 TW is ideal for marine audio enthusiasts who want superior high-frequency clarity and a clean white finish. It suits boat owners seeking a durable tweeter that withstands water, salt, and UV exposure. Compared to standard marine tweeters, it offers better sound dispersion and build quality. However, it lacks wireless features, focusing instead on wired reliability and acoustic precision. It is best paired with Hertz marine woofers for a complete system.
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.

