【GZHW 20XSPL-D1｜20cm 1Ω DVC Subwoofer】

You’d like the bass to be a little more powerful, but it’s hard to add a large subwoofer in your car. This is a 20cm-size subwoofer that’s easy to consider in such cases.

GZHW 20XSPL-D1 is a model from the GZHW SPL series, designed to achieve both excellent sound quality and high sound-pressure output. Using a reinforced paper cone and an aluminum die-cast basket, it firmly supports the low frequencies that form the foundation of your music.

A subwoofer isn’t just about producing louder sound. Depending on how it integrates with your front speakers, the amplifier you pair it with, the enclosure volume, and the installation method, the way bass is reproduced—and how well everything comes together inside the car—will change.

Since this model is a 1Ω DVC version, it’s important to confirm the wiring/connection method and check compatibility with the amplifier you plan to use before combining components. If it were me, I wouldn’t decide based on the product alone—I’d first review your current audio system and the sound direction you’re aiming for, then plan a configuration that makes sense without overreaching.

If you want to “increase the sense of bass quantity,” “enjoy the sound pressure as well,” or “look for a subwoofer in the 20cm class that plays strongly,” please feel free to consult us. Based on your vehicle and how you use it, we’ll work together to find a setup where the bass won’t stand out too much after installation, and the entire music experience feels pleasantly cohesive.

Main Specifications / Specs

【Basic Information】
Product name: GZHW 20XSPL-D1
Type: Subwoofer
Size: 8inch (20cm)
Voice coil: 1Ω DVC

【Construction / Materials】
Cone: Reinforced paper cone
Basket: Aluminum die-cast basket

*We will advise on the connection method and amplifier pairing after confirming your vehicle’s audio configuration and intended use.

Shop Owner Komizo