B&W CWM 7.3 S2
B&W three-way in-wall speaker, designed for discreet integration into a custom audio installation.
Description
The CWM 7.3 S2 is an in-wall speaker from B&W, designed to disappear into the wall while delivering three-way sound reproduction. It is suited to installations where the room's aesthetics take priority, without sacrificing the listening quality expected of a hi-fi speaker.
The system is built around a three-way configuration combining two 150 mm woofers, a 100 mm FST midrange driver and a 25 mm soft dome tweeter with Nautilus tube loading. This architecture, inherited from the brand's traditional speakers, aims to distribute the acoustic work across several specialised transducers rather than relying on a single wide-band driver.
The CWM 7.3 S2 also stands out for its construction choices: a rigid moulded chassis intended to limit parasitic vibrations, Mundorf crossover components known for their audiophile quality, and a fibreglass-reinforced ABS baffle, more robust than a standard plastic baffle.
This model is aimed at those wishing to integrate a genuine hi-fi speaker into a room without installing a visible floor-standing or stand-mounted unit, typically in a living room, a dedicated home cinema space or a multiroom installation where aesthetics matter as much as sound performance.
What to check before buying used
Check the flexibility of the surrounds on both 150 mm woofers: sagging or hardened foam indicates an older unit that has been poorly stored. Inspect the ABS/fibreglass baffle and the chassis around the wall cut-out for cracks or drilling marks from a previous installation. Also check the Nautilus tweeter dome, which is very prone to denting during removal, and the condition of the finishing grilles, which are often scratched or warped.
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