The Bowers & Wilkins 603 S3 ranks #79 out of 139 total Large Size Floorstanding Speakers for sound quality. See all Passive Home rankings for every top pick.
Brand: Bowers & Wilkins
Prices on this page were last checked October 5, 2026 at 10:21 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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#79 Bowers & Wilkins 603 S3: $2,500 per pair Estimated B&H Photo Video eBay
Smaller models: the Bowers & Wilkins 606 S3 (estimated 3.9/5) and the Bowers & Wilkins 607 S3 (estimated 3.6/5).
Pros: Floorstanding tower speaker in the 600 Series incorporating dual 6.5-inch paper-cone bass drivers, a dedicated 6-inch Continuum FST midrange, and a decoupled 1-inch Titanium Dome tweeter. Delivers solid dynamic headroom, low distortion, and bass authority down to 46Hz.
Cons: Rating estimated based on 600 S3 series sibling testing. Minimum impedance dips to 3.0 ohms in the mid-bass, demanding an amplifier capable of sustained current into low impedance loads.
How it compares: Just above it: Wharfedale Diamond 12.4 - $251 cheaper, 1Hz lower bass extension (-3dB). Just below it: Klipsch Forte IV - $4250 more, 3.8Hz higher bass extension (-3dB).
| Bass Extension (-3dB) | 46Hz (manufacturer specified) |
|---|---|
| Bass Extension (-6dB) | 29Hz (manufacturer specified) |
| DIY Kit | No |
| Dimensions | 38.9”H x 7.5”W x 13.4”D (988 x 190 x 340 mm) |
| Drivers | 1” (25mm) Decoupled Titanium Dome tweeter, 6” (150mm) Continuum FST midrange, 2 x 6.5” (165mm) paper cone woofers |
| Frequency Response | 46Hz - 28kHz (±3dB, manufacturer specified) |
| Impedance | 8 ohms nominal, 3.0 ohms minimum (manufacturer specified) |
| Sensitivity | 90dB (2.83V/1m, manufacturer specified) |
| Weight | 60.6 lbs (27.5 kg) each |
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- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.