Sonos In-wall Speakers is a 2-way Passive In-wall In-wall speaker  by Sonos.  It features a 1" Soft-Dome Tweeter and 1 x 6.5" Polypropylene Woofer.  The speaker has a frequency range of 44-20kHz and a sensitivity of 89 dB. Sonos In-wall Speakers has an MSRP of 659$ per pair. 
         Room Size Suitability  
    The size of the room where you plan to use the Sonos In-wall Speakers 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.)
    
                                
                                    
                                    
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                                     Frequency Response of the Sonos In-wall Speakers Speaker
Sonos In-wall Speakers has a  Frequency response range of 44-20kHz at ±3dB and Power Range of up to 130 watts. With a minimum frequency of 44 Hz, In-wall Speakers delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
 To focus on the subwoofers that are in a similar price range with Sonos In-wall Speakers, check out the Powered Subwoofers under $750. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how In-wall Speakers's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
    
        Low Frequency
        In-wall Speakers
        
        
        
        
     
    
        High Frequency
        In-wall Speakers
        
        
        
        
     
 
    
    
    
        
        
    
 Impedance and Sensitivity
Sonos In-wall Speakers's nominal impedance level is 
8 ohms  and has a sensitivity of 
89 dB.     
    
        Sensitivity
        In-wall Speakers
        
        
        
        
     
 
    
    
 
        8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Sonos In-wall Speakers is not considered a difficult to drive speaker from nominal Impedance perspective. 
Sensitivity
89dB of the Sonos In-wall Speakers is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.      
Check the amplifiers that are in a similar price range to the Sonos In-wall Speakers:
 Input Type
In-wall Speakers features Spring post  type connectors. Bi-amping and Bi-wiring are not possible. 
Sonos In-wall Speakers  External Dimensions and Weight
Sonos In-wall Speakers has  external dimensions of (Height x Width x Depth) 10.7500-inch x 6.9375-inch x 3.6250-inch (274.0 x 177.0 x 93.0mm ). 
    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 Sonos In-wall Speakers is approximately 164.6cm2 / 25.5inch2. 
    
 Cabinet type and Materials
Sonos In-wall Speakers has a 
In-wall type cabinet. 
 
    
 What's in the Box of Sonos In-wall Speakers? 
    Here are the items that are included inside the box of In-wall Speakers: 
    
2 In-wall loudspeakers2 Grilles2 Cutout Templates    
    
    
 Recommended Accessories
 Here is a list of accessories that we think you may need for the Sonos In-wall Speakers.
     Warranty
    2 Years of parts warranty and  2 Years of labor warranty is generally provided by the manufacturer.