【GROUND ZERO GZHC 165.2｜16.5cm 2-way component speaker that balances thickness and naturalness】

GROUND ZERO GZHC 165.2 is a 2-way component speaker that combines a 16.5cm mid-woofer with a 25mm silk dome tweeter.
It’s a model with a rather interesting appeal for those who say, “The sound from the factory speakers feels light,” “I want a bit more core to the vocals,” or “I want more thickness in the low end, but I want to avoid harsh treble.”

What’s great about this speaker isn’t that it just sounds flashy—it also has a solid sense of weight and center of gravity in the sound, while still delivering a natural texture reminiscent of a paper cone.
The mid-woofer uses an aluminum die-cast basket and a non-press paper cone, making it easier to achieve a pushy low-end feel and the thickness of the midrange. If you want to enjoy the impact of drums and bass, the heft of male vocals, and the resonance of acoustic instruments comfortably even in the car, I think this would be a good match.

The 25mm silk dome tweeter handling the high frequencies is attractive not for the strong “statement” typical of metal-type tweeters, but for a smooth, spacious kind of presentation.
It’s also a direction that’s easy to recommend for people who want plenty of high-frequency information, but don’t like sound that makes their ears feel tired after listening for long periods. It’s a speaker you can use without dramatically limiting genres—rock, pop, jazz, and vocal-focused tracks are all well within its comfort zone.

When replacing car audio speakers, the performance of the product itself matters, but in reality, the final result changes greatly depending on how you install them, how you treat/prepare the door, and where and how you make the tweeters play.
Speakers like the GZHC 165.2, which offer thickness and a sense of power, may not show their true strengths if they’re installed on a weak foundation. By considering the baffle, deadening, installation location, and even how it combines with the factory system, you can also influence the cohesiveness of the low end and the sense of vocal placement.

At Logon, we don’t just suggest, “Install these speakers.” We tailor our proposals based on your vehicle model, the music you usually listen to, your current dissatisfaction with the sound, and whether you plan to develop the system further—such as adding an amplifier or DSP in the future.
If I were choosing, I’d want to consider this speaker as a model that includes “building a foundation that can make it sound properly.” Instead of ending with the speaker alone, I believe you’ll be less likely to regret it later—like “I should have done a bit more”—by planning the installation approach to match the condition of the car.

For those who want to add thickness, depth, and a natural texture to the sound when upgrading from factory speakers.
For those who want a sound that feels good to listen to every day rather than something flashy.
If that sounds like you, there’s value in putting the GROUND ZERO GZHC 165.2 on your shortlist.

Because installation conditions and recommended work vary by vehicle, if you’re interested, please feel free to consult us including your vehicle model and your current audio setup. While looking at the actual car and how it’s used, we’ll think together about the best form within a realistic and practical scope.

■ Main Specifications / Specs

【Basic Information】
Product name: GZHC 165.2
Brand: GROUND ZERO
Type: 16.5cm 2-way component speaker

【Speaker Configuration】
Mid-woofer: 16.5cm
Tweeter: 25mm silk dome tweeter

【Main Materials / Structure】
Woofer basket: Aluminum die-cast
Woofer cone: Non-press paper cone
Voice coil: CCA voice coil
Magnet: Ferrite magnet

【Electrical Specifications】
Impedance: 4Ω