KC92 is a Sealed type Powered Subwoofer by KEF with a frequency range of 11-200 Hz.  It features 2 x 9" Polypropylene Woofer, and powered by a Class D 1000 watts amplifier.     
         KEF KC92 Speaker Structure
        
            KEF KC92 Speaker Structure        
    
    
    
         KEF KC92 Lifestyle
        
            KEF KC92 Lifestyle        
    
    
KC92 is a member of KEF's KC series of Powered subwoofers.  Below you can see the main specs of these subwoofers as well as review and comparison links. 
    
        
        KEF KC Series Subwoofers
        
            
                
                    
                    
                        |  | Model | Frequency | Woofer | Amp Power | Weight | 
                    
                                            
                        
                            |  | KEF KC62 Compare
 | 11-200k Hz | 6.5" | 1000 watts | 14.05kg | 
                        
                                            
                        
                            |  | KEF KC92 
 | 11-200k Hz | 9" | 1000 watts | 20.00kg | 
                        
                                    
             
         
     
                                
                                    
                                    
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                                 Frequency Response
KEF KC92 has a  Frequency response range of 11-200 Hz at ±3dB. Thanks to its 2 x 9-inch driver and 1000 watts RMS  amplifier, at 11Hz the  KC92 can generate bass levels that is even below 20Hz which is considered to be the bottom limit of Full Range sound (20Hz -20kHz) that human can hear. 
Here we have a comparison of how KC92's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
    
        Low Frequency
        Powered Subwoofers
        
        
        
        
     
    
        High Frequency
        Subwoofer Speakers
        
        
        
        
     
 
    
    
    
    
    
         KEF KC92 Back View
        
            KEF KC92 Back View        
    
    
    
    
 Inputs and Outputs
    
        - PreampLevel Inputs: Stereo RCA/LFE
- SpeakerLevel Inputs: Yes
- SpeakerLevel Outputs: Yes
- Wireless: Yes
    
 Wireless Connection
    KEF KC92 lets you make a wireless connection to your system with an optional 
KW1 Wireless Subwoofer Adapter Kit adapter. Wireless connection helps to minimize the cables running on your floor.    
KEF KC92  External Dimensions and Weight
KEF KC92 has  external dimensions of (Height x Width x Depth) 13.88 x 13.00 x 14.19 in (352.5 x 330 x 360.5 mm  ). 
    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 KEF KC92 is approximately 1191.3cm2 / 184.7inch2. 
    
WeightThe KEF KC92 weighs 20.00kg / 44lbs.  Weight of a subwoofer is an important factor when you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. Here is a comparison of how KC92's weight compares with the average, max and min weights in its class.
    
        Weight
        All Subwoofer Speakers
        
        
        
        
     
    
        
            Weight
            Subwoofer Speakers under $2000
            
            
            
            
         
    
 
 Cabinet type and Materials
KEF KC92 has a 
Acoustic Suspension type cabinet. Acoustic suspension aka Sealed subwoofers are preferred for music oriented systems whereas the Ported subwoofers are generally accepted to be more suitable for home theatre systems. 
    
         KEF KC92 - Side View
        
            KEF KC92 - Side View        
    
    
 
    
 What's in the Box of KEF KC92? 
    Here are the items that are included inside the box of KC92: 
    
KC92 subwoofer Power cord Euroblock speaker level connector User manual and warranty information    
    
    
 Recommended Accessories
 Here is a list of accessories that we think you may need for the KEF KC92.
     User's Manual
For more information about how to setup, use and maintain the KEF KC92, use the direct link below to download the official manual document:
    Download User Manual for KEF KC92 
    
     Official Brochure
    Here is a link to download the official brochure for the  KEF KC92 speaker:
    
Official Brochure for KEF KC92 
     Official Product Page
    Official manufacturer's product page for the KEF KC92 speaker can be found below:
    
Official Product Page for KEF KC92 
    
     Warranty
    2 Years of parts warranty and  2 Years of labor warranty is generally provided by the manufacturer.     
                
                 KEF KC92 Lifestyle
                    
                        KEF KC92 Lifestyle