Unsupported Browser
The web browser that you are currently using is no longer supported, and as such features of this website may not work as expected. We advise you to update to a currently supported browser (such as Chrome, Edge, or Firefox) to improve your security, speed, and overall experience.
Key Features
The Bowers & Wilkins 603 S3 is designed for larger rooms where you want a spacious, precise, and confidently controlled listening experience. Its Titanium Dome tweeter brings you crisp, revealing high frequencies that uncover subtle detail in vocals, strings, and ambience. The Continuum midrange driver keeps voices natural and easy to follow, so both music and dialogue feel true to the source.
Two dedicated bass drivers add convincing scale, helping your system fill the room with depth and authority. The improved terminals support a cleaner connection between your amplifier and the speaker, maintaining consistent performance over time. If you want clarity, scale, and refined engineering in a straightforward floor-standing design, the 603 S3 offers a clear step up for home listening.
Product Ref: 274763
The titanium dome tweeter delivers controlled breakup behaviour that helps it stay accurate well beyond the audible range. This gives you a cleaner top end with reduced distortion at higher volumes, making detailed passages easier to follow. The acoustically transparent grille mesh supports wider, more even dispersion so the tweeter maintains a consistent character across your room. You benefit from clearer spatial cues and greater precision when listening to high resolution tracks that rely on carefully preserved fine detail in everyday listening and more focused sessions alike.
The Continuum midrange driver uses a refined composite structure that avoids the sudden resonances often found in traditional cones. This creates smoother behaviour through the vocal range so complex arrangements keep their shape without sounding congested. Its fixed suspension design supports more controlled pistonic movement that reduces colouration and maintains a stable tonal balance. You gain clearer articulation in instruments such as piano and guitar along with improved dialogue clarity when the speakers are part of a home cinema system handling busy soundtracks with reliable performance during everyday viewing.
The twin bass drivers use a long throw motor system that stays composed during demanding dynamic peaks. This produces low frequency extension that feels confident while avoiding any intrusion into the midrange. The cabinet volume and driver placement are arranged for balanced loading that improves damping and limits unwanted resonance. You hear bass notes that stay tight and tuneful even in larger rooms where low frequencies can dominate. This gives you more flexibility with placement while still retaining dependable depth, impact and a natural sense of weight.
| Technical features | Decoupled Double Dome Titanium tweeterContinuum™ cone FST™ midrangePaper bass conesFlowport™ |
|---|---|
| Speaker type | 3-way vented-box system |
| Drive units | 1x ø25mm (1 in) Titanium Dome high-frequency1x ø150mm (6 in) Continuum cone FST midrange2x ø165mm (6.5 in) Paper bass cone |
| Frequency range | -6dB 29Hz - 33kHz |
| Frequency response(+/-3dB from reference axis) | 46Hz - 28kHz ±3dB |
| Sensitivity(on axis at 2.83Vrms at 1m) | 90dB |
| Harmonic distortion | 2nd and 3rd harmonics (90dB, 1m on axis)<1% 100Hz - 22kHz<0.5% 350Hz - 12kHz |
| Nominal impedance | 8Ω (minimum 3.0Ω) |
| Recommended amplifier power | 30W - 200W into 8Ω on unclipped programme |
| Max. recommended cable impedance | 0.1Ω |
| Dimensions | Height: 985 mm (38.8 in) cabinet only, 1,020 mm (40.2 in) including plinthWidth: 190 mm (7.5 in) cabinet only, 260 mm (10.2 in) including plinthDepth: 340 mm (13.4 in) cabinet only, 368 mm (14.5 in) including grille and terminals, 402 mm (15.8 in) including plinth |
| Net weight | 27.5kg (60.6lbs) |
| Finishes | Cabinet: Black / White / OakGrille: Black (w/ Black) / Grey (w/ White and Oak) |