KJ West One - Connoisseurs of Sound - Est. 1965
KJ West One - Connoisseurs of Sound - Est. 1965

Our Collection

The SR-009s is the new flasghip headphone from esteemed Japanese manufacturer Stax. It is a developed version of the original SR-009 which many people has called 'the best headphones in the world'.

Multilayer fixed electrode MLER (Multi-Layer-Elect-Rords) established with SR-009 has evolved to MLER 2. The finish and etching process that smoothes the edge of the electrode opening reduces air resistance and further improves sound permeability. Also, the electrodes themselves are gold plated with high specific gravity to minimize the resonance of the ultra-thin electrode. At the same time, due to the effect of reducing the electric resistance of the electrode itself by gold plating, we have opened up a new ground for high speed, clarity, silky details, and powerful texture.

SR-009S adopts a diaphragm made of ultra-thin super engineering plastic film. The light mass has realized a high transient characteristic throughout the entire audio spectrum.

The main body was redesigned to further reduce resonance as to provide a consistent sound.


The SR-009S uses high-purity copper wire of 99.9999% (6Nines) purity adopted which is further silver-coated and finished with the most suitable structure to drive the earspeaker.


The new earpad enables hours of comfortable listening to music.


RRP - £3,895

Stax range

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