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Elevate your sound
Beyond just bass, the XS-W104ES subwoofer completes your music. Whether you're just looking for power you can feel, or to be truly transported by sound, this Mobile ES subwoofer upgrades any in-car listening experience.
Find out about our passion and uncompromising technology.
MRC Honeycomb Subwoofer Diaphragm
Our acclaimed Mica Reinforced Cellular (MRC) diaphragm material is further enhanced via a honeycomb fibre structure, for unmatched rigidity and responsiveness. Enhancements over the years of MRC material development produced a driver 10x more rigid than conventional PP Matrix cones, for natural low-distortion sound and a wide frequency response.
Separated Notch Edge Surround
The woofer surround features another proprietary Sony technology, with distinctive curved notches improving the vertical amplitude symmetry, for dramatically reduced distortion and enhanced clarity.
Five-beam Frame Structure & Dynamic Air Diffuser
The Five-beam Frame design disperses resonance while the integrated Dynamic Air Diffuser ensures efficient air circulation for smooth cone travel and cooling of the voice coil.
Progressive Height Rate Spider
The acoustically-optimised spider allows for higher power handling and airflow, with a profile designed for more rapid and precise cushioning of the speaker cone.
Gold-plated Input Terminals
Gold-plated spring terminals allow up to AWG#10 speaker cables.
Structure cutaway
Discover structures of the Mobile ES speaker, including newly applied mechanical approaches such as Separated Notch Edge Surround, Five-beam Frame design, and Dynamic Air Diffuser.
Mobile ES Series
Immerse yourself in excellent in-car entertainment
Engineered for ultimate listening pleasure on the road, the Mobile ES Series products bring the very best of your music and connectivity together, for a driving experience like never before.

Designed with the environment in mind

Sony is committed not only to offering products, services and content that deliver exciting experiences but also to working towards our goal of a zero environmental footprint throughout our business activities.