Bowers & Wilkins HTM6 S3 is a 2-way Passive Bass Reflex Center Channel speaker  by Bowers Wilkins.  Center channel speaker is an important component of a home theater system set-up as it delivers the listener significant part of the on-screen dialogue from your television.  It features a 1" Decoupled Double Dome Tweeter and 2 x 5" Continuum Woofer.  The speaker has a frequency range of 72-28k Hz and a sensitivity of 87 dB. BW HTM6 S3  has an MSRP of 899$. 
         Room Size Suitability  
    The size of the room where you plan to use the BW HTM6 S3  is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
    
        
            
                
                
                    | Listening Environment* | Suitability | 
                
                
                | Near-field | Poor | 
                | Small Room | Average | 
                | Mid-size Room | Good | 
                | Large Room | Average | 
                | Very Large Room | Poor | 
                
            
         
     
    
        (* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
       Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
    
Bowers Wilkins replaced the older HTM6 S2 with this model. Follow the link to read our detailed comparison of these models: 
  Compare BW HTM6 S3  vs BW HTM6 S2 
Bowers Wilkins's  600 S3 Series of Loudspeakers
HTM6 S3 is a member of Bowers Wilkins's 600 S3 series of Passive speakers.  Below you can see the main specs of these speakers. 
    
        
        Bowers Wilkins 600 S3 Series Speakers
        
     
    
         Bowers Wilkins 600 S3 Series Speakers
        
            Bowers Wilkins 600 S3 Series Speakers        
    
    
                                
                                    
                                    
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                                     Frequency Response of the BW HTM6 S3  Speaker
BW HTM6 S3  has a  Frequency response range of 72-28k Hz at ±3dB and Power Range of 30-120 watts. 
Here we have a comparison of how HTM6 S3's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
    
        Low Frequency
        Center Channel Speakers
        
        
        
        
     
    
        High Frequency
        Center Channel Speakers
        
        
        
        
     
 
    
    
    
        
        
    
         BW HTM6 S3 's Titanium Decoupled Double Dome Tweeter
        
            BW HTM6 S3 's Titanium Decoupled Double Dome Tweeter        
    
    
    
 Impedance and Sensitivity
BW HTM6 S3 's nominal impedance level is 
8 ohms  but can go down to as low as 
4.3 ohms, and has a sensitivity of 
87 dB.     
    
        Sensitivity
        Center Channel Speakers
        
        
        
        
     
 
    
    
 
        8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Bowers & Wilkins HTM6 S3 is not considered a difficult to drive speaker from nominal Impedance perspective. 
Sensitivity
 With a sensitivity level of only 87 dB, Bowers & Wilkins HTM6 S3 is  a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels.   You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D amps. 
 Minimum Impedance of the BW HTM6 S3 
Even though the nominal impedance of the HTM6 S3 is 8 ohms, the minimum impedance level of this speaker according to Bowers Wilkins is 4.3 ohms Bowers & Wilkins HTM6 S3 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
     Check the amplifiers that are in a similar price range to the BW HTM6 S3 :
 Input Type
HTM6 S3 has Binding post  type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion. 
            
                
                 BW HTM6 S3  Back View
                    
                        BW HTM6 S3  Back View                    
                
            
BW HTM6 S3   External Dimensions and Weight
BW HTM6 S3  has  external dimensions of (Height x Width x Depth) 6.3 x 18.9 x 11.2inch (160.0 x 480.0 x 283.0mm ). 
    Base Surface Area
    Base surface area of a loudspeaker may become a  determining factor when the space in your room or desk is limited.
    The base area of BW HTM6 S3  is approximately 1358.4cm2 / 210.6inch2. 
WeightThe BW HTM6 S3  weighs 7.70kg / 16.9lbs per piece. Here is a comparison of how HTM6 S3's weight compares with the average, max and min weights in its class.
    
        Weight
        All Center Channel Speakers
        
        
        
        
     
    
        
            Weight
            Center Channel Speakers under $1000
            
            
            
            
         
    
 
 Cabinet type and Materials
BW HTM6 S3  has a 
Bass Reflex type cabinet. Bass Reflex type loudspeakers  (aka  Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
    
 Speaker Feet
BW HTM6 S3  comes with 
4 Self-adhesive rubber feet which you can use to secure your loudspeaker on the surface that you are putting on.  It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.
    
 Port Position
    BW HTM6 S3  is a rear-firing port speaker  so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe. HTM6 S3 comes with 
2 Two-piece foam port plugs so if you don't have any choice but place the speakers too close to the walls or other surfaces, you can use these plugs in order to avoid boomy or too much bass.     
 
    
 Available colors
    BW HTM6 S3  is available in Black,  White and  Oak.     
    
 Does the BW HTM6 S3  come with a Grille?
    HTM6 S3 comes with magnetic grilles in Black and Grey color choices.  The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible. Since the included grille of the HTM6 S3 is magnetic type, it is very easy to put it on and off.    
    
         BW HTM6 S3   with Grille
        
            BW HTM6 S3   with Grille        
    
    
    
 What's in the Box of BW HTM6 S3 ? 
    Here are the items that are included inside the box of HTM6 S3: 
    
Center-channel loudspeakerGrille (pre-installed)Two-piece foam plug4 Self-adhesive rubber feet2 Jumper-straps (pre-installed)ManualWarranty InformationBowers  Wilkins brochure    
    
    
 Recommended Accessories
 Here is a list of accessories that we think you may need for the Bowers & Wilkins HTM6 S3.
     User's Manual
For more information about how to setup, use and maintain the Bowers & Wilkins HTM6 S3, use the direct link below to download the official manual document:
    Download User Manual for BW HTM6 S3  
    
     Official Brochure
    Here is a link to download the official brochure for the  Bowers & Wilkins HTM6 S3 speaker:
    
Official Brochure for BW HTM6 S3  
     Official Product Page
    Official manufacturer's product page for the Bowers & Wilkins HTM6 S3 speaker can be found below:
    
Official Product Page for BW HTM6 S3  
    
     Warranty
    5 Years of parts warranty and  5 Years of labor warranty is generally provided by the manufacturer.