MRC Aramid Fibre Matrix WooferThe main speaker diaphragm on the XS-690ES is crafted from Sony's unique Mica Reinforced Cellular (MRC) material. This rigid but lightweight driver allows for a much more precise response than conventional driver materials, for smoother and more natural sound characteristics.Optimal formulationEmbedding MRC in a unique matrix with aramid fibres suppresses diaphragm resonance and minimises distortion — not only in the lows, but also in the mid and higher frequencies. The result is sound that is powerful at all frequencies and uncommonly clean — even at high volume.Separated Notch Edge SurroundThe 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 DiffuserThe 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 SpiderThe acoustically-optimised spider allows for higher power handling and airflow, with a profile designed for more rapid and precise cushioning of the speaker cone.Tweeters to hit the high notesCompatible with High-Resolution Audio, a soft dome tweeter diaphragm is directly attached on the voice coil, designed to cover your music's ultra-high ends, with a frequency range extending up to 40kHz.Structure cutawayDiscover 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.
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