HTM71 S3


Our flagship centre-channel speaker features a Carbon Dome drive unit housed in a Tweeter-On-Top enclosure, a 130mm (5in) Continuum Cone FST™ midrange driver – particularly important for clarity with dialogue – and twin Aerofoil™ Profile bass cones. It’s the perfect partner for the 705 S3, 703 S3 and 702 S3.

  • A house for high frequencies

    The 700 Series features the latest generation of our iconic Solid Body Tweeter-on-Top housing. Its new, more elongated form incorporates a longer tube-loading system to produce an even more free and open sound with high frequencies. The carefully decoupled housing is milled from a single solid block of aluminium to better resist resonance.

    Sharper detail

    Carbon Dome tweeters are purpose-built for the 700 Series. Delivering a dramatic improvement on the aluminium double dome tweeter, they raise the breakup threshold to 47kHz, for pinpoint imaging accuracy and detail.

    Truly amazing sound

    Thanks to its composite construction, the Continuum™ cone avoids the abrupt transitions in behaviour that can impair the performance of a conventional drive unit. The result is a more open, neutral performance that delivers voices and instruments with precision and transparency.

    Clean and clear

    Every three-way loudspeaker in the new 700 Series has a dedicated midrange cone using four key Bowers & Wilkins technologies: the Continuum cone, FST™, Biomimetic Suspension and midrange decoupling, the latter ensuring minimal interference from the operation of the loudspeaker’s bass drivers.

    A triumph of science

    Developed using advanced computer modelling techniques, the Aerofoil™ Profile bass cone has variable thickness, providing stiffness and rigidity where it’s needed most. The result: deep and dynamic bass.


    • Size & weight

      DimensionsHeight: 165 mm cabinet only
      233 mm including tweeter
      Width: 628 mm cabinet only
      Depth: 318 mm cabinet only
      356 mm including grille and terminals
      Net weight17.45kg

      Technical details

      Technical featuresDecoupled Carbon Dome tweeter
      Solid Body Tweeter-on-Top
      Continuum™ cone FST™ midrange
      Aerofoil™ Profile bass cones
      Description3-way vented-box system
      Drive units1x ø25mm (1 in) Decoupled Carbon Dome high-frequency
      1x ø130mm (5 in) Continuum cone FST midrange
      2x ø130mm (5 in) Aerofoil Profile bass
      Frequency range45Hz – 33kHz
      Frequency response50Hz – 28kHz ±3dB
      Sensitivity89dB spl (2.83Vrms, 1m)
      Harmonic distortion2nd and 3rd harmonics (90dB, 1m on axis)
      <1% 90Hz – 22kHz
      <0.5% 120Hz – 20kHz
      Nominal impedance8Ω (minimum 3.1Ω)
      Recommended amplifier power30W – 200W into 8Ω on unclipped programme
      Max recommended cable impedance0.1Ω


      Cabinet finishesGloss Black
      Satin White
      Grille finishesBlack
      Grey (Satin White only)

Bowers & Wilkins


700 series S3

Product Type

Center Channel


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