It’s probably fair to say that even when B&W’s 602 S3s were first introduced in 2002 they were something of a dinosaur. By then, speaker design had long gone down the ‘smaller the better’ path, and slimmer proportions were most definitely in.

In contrast these bruisers were huge, standing almost half a metre tall, and featuring the kind of mid/bass driver that wouldn’t look out of place in a decently sized subwoofer. It took no less than eight bolts to hold that driver in place.

The clear suggestion was one of power. Yet, the ability to get furniture rattling wouldn’t be anywhere near the whole story; these speakers turned out to be far more talented than that.
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https://www.whathifi.com/features/was-then-bw-602-s3-review