The Bowers & Wilkins 686 S2 is a speaker set unit that is designed for floor placement. It features a single driver, with a diameter of 130 mm, for audio output. The speaker set does not have a built-in amplifier. The Bowers & Wilkins 686 S2 includes a tweeter, with a diameter of 25 mm, to enhance the high-frequency sound reproduction.. B&W 686 S2 Bookshelf Speakers Review. The first successful test of B&W's Kevlar technology. "Having visited the Bowers & Wilkins Research Center and been impressed by the depth of the company's engineering expertise, I am always puzzled by the fact that B&W speakers don't measure as well as they could." - John Atkinson, Stereophile
Bowers wilkins Bookshelf Speakers 686 s2 - Black. Used - Good. Originally $425, now $333 ($92 price drop) $425. $92 price drop. $333. Bowers & Wilkins DM601 S2 Bookshelf Speakers Pair with Wall Mounts. Used - Very Good. $399.99. $399.99. Free Shipping. Bowers and Wilkins DM-600 Bookshelf Speakers.. B&W 686 Bookshelf speakers . The model 686 is the junior shelf speaker system in the series, but even it, despite of the size, is quite heavy (4,9 kg). 686th model is two-way and made in bass-reflex typed body. The bass reflex port is placed on the back wall. The branded technology of "golf ball surface" allows reducing turbulence of the stream.