8"
Alpine S2-W8D4
Next-Generation 20cm (8") S-Series Subwoofer with Dual 4-Ohm Voice Coils
Alpine's redesigned next-generation S-Series subwoofers apply technology from our higher end subs to bring you the depth and punch that'll make your tunes come alive. With high-tech materials and Alpine know-how, these subs deliver the lows you crave at a budget-friendly price.
The S2-W8D4 20cm (8") sub handles up to 300 Watts RMS, so you can drive it hard without any worries. The redesigned cone combines carbon fiber and polypropylene for light weight and sturdiness, while its rubber High Amplitude Multi-Roll (HAMR) surround enables maximum excursion for impressive performance. Handy jumpers make it simple to switch from 2Ohm to 8Ohm impedance to adapt to your system. This sub is equally suited for ported and sealed boxes, so you can enjoy your bass big and boomy or tight and precise.

Alpine DP2-80WF-B
20 cm (8") under-seat Subwoofers designed for BMW
Introducing DP2-80WF-B, an example of car audio excellence, proudly belonging to our Digital Precision Series and tailored exclusively for BMW owners. This cutting-edge DP-Series is a compelling audio solution for BMW vehicles in the market, delivering powerful and precise sound that harmonises with your music, enriching every note and beat.
The Alpine DP2-80WF-B BMW subwoofers are sold as a pair, they fit seamlessly into the existing setup. The subwoofers are designed to fit neatly under your BMW seats to add powerful bass to your existing sound system. Enjoy strong, powerful bass in your BMW with these subwoofers and make all your audio tracks sound even more exciting.
Harnessing state-of-the-art DP-Series technology, DP2-80WF-B boasts a robust construction that guarantees unparalleled durability and longevity. Its premium materials and superior build make it the preferred choice for those who demand nothing but the best from their car audio systems.
Note: a separate amplifier is recommended to power this subwoofer
Focal P 20 FE
Subwoofer 20cm
P 20 FE is a bass driver equipped with the exclusive Focal Flax membrane which reveals dense and impactful bass. With its 500 watts of power, this subwoofer is ideal for use in an enclosed box (10 to 15 L) or bass reflex (10 to 20 L), perfectly completing your car audio installation.
Alpine S2-W8D2
Next-Generation 20cm (8") S-Series Subwoofer with Dual 2-Ohm Voice Coils
Alpine's redesigned next-generation S-Series subwoofers apply technology from our higher end subs to bring you the depth and punch that'll make your tunes come alive. With high-tech materials and Alpine know-how, these subs deliver the lows you crave at a budget-friendly price.
The S2-W8D2 20cm (8") sub handles up to 300 Watts RMS, so you can drive it hard without any worries. The redesigned cone combines carbon fiber and polypropylene for light weight and sturdiness, while its rubber High Amplitude Multi-Roll (HAMR) surround enables maximum excursion for impressive performance. Handy jumpers make it simple to switch from 2Ohm to 8Ohm impedance to adapt to your system. This sub is equally suited for ported and sealed boxes, so you can enjoy your bass big and boomy or tight and precise.

Focal P 20 FSE
Slim subwoofer 20 cm
In addition to its power of 400 watts and its Flax membrane delivering a natural sound, one of the assets of the P 20 FSE is its slim profile giving it a shallow depth and even more lightness. Ideal for use in a compact enclosed box (6 to 9 L), this subwoofer will fit perfectly in tight spaces while offering deep and precise bass.