CSS SDX12 Subwoofer

The CSS SDX12 Subwoofer is a high-performance driver engineered to deliver deep, accurate low-frequency reproduction for discerning audio enthusiasts. Whether you are building a dedicated home theatre system, a high-fidelity stereo setup, or a custom car audio installation, this subwoofer excels in both sealed and ported enclosures, providing the flexibility to tailor the bass response to your specific listening environment. Its robust design ensures it can handle demanding musical passages and cinematic effects with equal authority.

At the heart of the SDX12 lies a 28mm linear excursion (Xmax), which enables powerful, controlled bass without distortion, even at high output levels. The driver features a paper and carbon fibre cone, offering an excellent stiffness-to-weight ratio for precise transient response. A copper voice coil wound on a 3.7-ohm DC resistance former ensures efficient power handling and thermal stability. With a total Q (Qts) of 0.374 and a mechanical Q (Qms) of 3.962, this subwoofer is optimised for tight, articulate low-end performance. The sensitivity is rated at 87.2 dB (1m/2.83V), and the overall diameter measures 311.9 mm with a mounting depth of 206.5 mm, making it suitable for a wide range of cabinet designs. The SDX12 is the ideal choice for those who demand uncompromising bass quality and engineering excellence.