【APS 8D｜An 8-inch subwoofer that delivers solid low-end in a space-saving design】

Just swapping in a factory audio setup or replacing speakers isn’t quite enough if you want a bit more low-bass thickness and spread. That’s where the APS 8D comes in.

By adding it to a system upgraded with an amplifier and speakers, you can take over the low-frequency range that front speakers alone are hard-pressed to cover. This isn’t a subwoofer meant only to make things louder—it adds body to the entire music, supporting vocals and instruments as well, and expands the pleasure of listening in your car.

Despite its 8-inch (200mm) size, the mounting depth is limited to just 79mm. It’s easy to fit even in limited space, and if you build a dedicated enclosure, you can plan your configuration based on the recommended sealed box volume of 8.5L while considering your vehicle’s available space and usability.

Thanks to the special cone–dustcap–basket shape, it achieves both a slim design and a large excursion. It’s a subwoofer that’s worth considering if you want to create strong low-end even in a tight mounting space. A grille is also included.

However, a subwoofer isn’t something that’s “done” once it’s installed. The final impression will change depending on box volume, mounting method, how it’s paired with the amplifier, and the volume balance and connection with the front speakers. It’s important not to make only the bass stand out, but to blend it naturally into the music throughout the entire cabin.

Let’s sort out together what kind of enclosure and amplifier setup will suit your vehicle—while checking your car model, existing system, and how you use the cargo area. This model is a great choice for anyone who wants to increase the sense of low-end quantity, and also for those who want their music to sound a little thicker and more satisfying.

Main Specifications & Specs

【Basic Information】
Product name: APS 8D
Type: Subwoofer
Diameter: 200mm (8 inches)

【Performance】
Rated input: 250W
Input impedance: 4＋4Ω
Sound pressure level (SPL) output: 83.5dB/SPL

【Installation】
Cutout diameter: 187mm
Mounting depth: 79mm
Recommended sealed box volume: 8.5L

【Others】
Weight: 3.1kg
Included accessories: Grille