FOCAL SUB25A4 BOX

The Focal SUB 25 A4 is the perfect way to add depth and authority to your car’s audio system.
Designed around a 10″ (25cm) DFS® cone and a high-efficiency 120mm magnet, this subwoofer delivers tight, controlled bass with 200 watts RMS of real power. Whether in a sealed or bass-reflex enclosure, it brings your music to life with clarity and impact.

Engineered in France, the SUB 25 A4 embodies the spirit of the Access Series — performance, durability, and precision, all in one versatile package.

Durable DFS® Cone Technology

The SUB 25 A4 features Focal’s DFS® (Dual Fiberglass Structure) cone — a unique blend of two woven fiberglass layers bonded with a polyurethane core.
This composite design ensures outstanding rigidity, weather resistance, and excellent power handling, even under the toughest acoustic conditions.

Clean, deep, distortion-free bass, ready to take on any genre or volume level.

Compact Yet Powerful Design

Thanks to its efficient motor structure and ventilated spider decompression coil, the SUB 25 A4 achieves both thermal stability and extended low-frequency response.
Its compact footprint makes it ideal for tight installations while maintaining impressive SPL and dynamic headroom.

Access Series – Performance That Lasts

The Focal SUB 25 A4 represents the essence of the Access Series:
dynamic power, lasting reliability, and pure acoustic precision.

Whether you’re upgrading a factory system or building your first full Focal setup, this subwoofer delivers the signature sound balance and robust build quality that make Focal an industry benchmark.

Ready-to-Install with Focal Sealed Enclosure

The Focal SUB25 A4 comes complete with a precision-engineered sealed enclosure, delivering a tight, punchy bass response that’s perfectly controlled and musically accurate.
Optimised for fast transient response and clean low-end extension, the sealed design enhances clarity while keeping bass compact and impactful — ideal for daily driving and sound-quality-focused systems.